King Charles III is welcomed by the High Constables as he arrives to view the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Scotland, Britain, as part of the first Holyrood Week since his coronation. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

A view of the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, as part of the first Holyrood Week since the King's coronation. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla unveil a plaque at the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain, as part of the first Holyrood Week since the King's coronation. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla are presented with a leather-bound book detailing the history of Holyroodhouse as they visit the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla are presented with a leather-bound book detailing the history of Holyroodhouse by moderator of the High Constables, Roderick Urquhart, as they visit the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla speak with High Constable Ralph Lutton about the creation of the the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain, as part of the first Holyrood Week since the King's coronation. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla speak with High Constable Ralph Lutton about the creation of the the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain, as part of the first Holyrood Week since the King's coronation. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

A plaque unveiled by King Charles III and Queen Camilla at the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain, as part of the first Holyrood Week since the King's coronation. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla are presented with a leather-bound book detailing the history of Holyroodhouse by moderator of the High Constables, Roderick Urquhart, as they visit the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla are presented with a leather-bound book detailing the history of Holyroodhouse as they visit the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla unveil a plaque at the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain, as part of the first Holyrood Week since the King's coronation. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla are welcomed by the High Constables as they arrive to view the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain, as part of the first Holyrood Week since his coronation. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla are welcomed by High Constables as they arrive to view the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain, as part of the first Holyrood Week since his coronation. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

King Charles III and Queen Camilla are presented with a leather-bound book detailing the history of Holyroodhouse by moderator of the High Constables, Roderick Urquhart, as they visit the new Jubilee Gates, installed at the entrance to Abbey Yard to mark the Platinum Jubilee of Queen Elizabeth II, at the Palace of Holyroodhouse, Edinburgh, Britain. Picture date: Tuesday July 4, 2023. Jonathan Brady/Pool via REUTERS 

Simon Farnaby, winner of the P&O Cruises Memorable Moment Award for 'Platinum Jubilee: Party at The Palace', poses in the winners room at the 2023 BAFTA Television Awards in London, Britain May 14, 2023. REUTERS/Maja Smiejkowska 

A pink diamond with an estimated value of $35 million is displayed during a press preview ahead of Sotheby's Magnificent Jewels sale on June 8, 2023 auction at Sotheby's in New York City, in New York City, U.S., March 27, 2023. REUTERS/David 'Dee' Delgado 

A pink diamond with an estimated value of $35 million is displayed during a press preview ahead of Sotheby's Magnificent Jewels sale on June 8, 2023 auction at Sotheby's in New York City, in New York City, U.S., March 27, 2023. REUTERS/David 'Dee' Delgado 

A pink diamond with an estimated value of $35 million is displayed during a press preview ahead of Sotheby's Magnificent Jewels sale on June 8, 2023 auction at Sotheby’s in New York City, in New York City, U.S., March 27, 2023. REUTERS/David 'Dee' Delgado 

A pink diamond with an estimated value of $35 million is displayed during a press preview ahead of Sotheby's Magnificent Jewels sale on June 8, 2023 auction at Sotheby's in New York City, in New York City, U.S., March 27, 2023. REUTERS/David 'Dee' Delgado 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders, in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Britain's King Charles celebrated Milton Keynes' new status as a city, awarded as part of The late Queen's Platinum Jubilee celebrations, at a reception for members of the local community and organisations. At the Church of Christ the Cornerstone in Milton Keynes, The King attended a reception to mark Milton Keynes' new status as a city with the local community, including volunteers, innovators and faith leaders, in Milton Keynes, United Kingdom, February 16, 2023. Arthur Edwards/Pool via REUTERS 

Ingots of 99.98 percent pure platinum are placed in a workroom during production at Krastsvetmet precious metals plant in the Siberian city of Krasnoyarsk, Russia, January 31, 2023. REUTERS/Alexander Manzyuk 

Ingots of 99.98 percent pure platinum are placed in a workroom during production at Krastsvetmet precious metals plant in the Siberian city of Krasnoyarsk, Russia, January 31, 2023. REUTERS/Alexander Manzyuk 

An employee holds an ingot of 99.98 percent pure platinum in a workroom during production at Krastsvetmet precious metals plant in the Siberian city of Krasnoyarsk, Russia, January 31, 2023. REUTERS/Alexander Manzyuk 

A special silver TX electric taxi made for the Platinum Jubilee celebrations is seen in the showroom inside the LEVC (London Electric Vehicle Company) factory in Coventry, Britain, January 18, 2023. REUTERS/Phil Noble 

An F.P. Journey resonance pre production platinum dual time zone wristwatch and a Acheron Constantin Cioccolatone référence 4764 that could fetch 1,000,000 Swiss francs are seen during a preview at Sotheby's before the auction sale in Geneva, Switzerland, November 3, 2022. REUTERS/Denis Balibouse 

A unique Ferrari Centigraphe Souverain Platinum Model chronograph by F.P. Journe is pictured during a preview at Christie’s before the auction sale in Geneva, Switzerland, November 2, 2022. REUTERS/Denis Balibouse 

A unique Ferrari Centigraphe Souverain Platinum Model chronograph by F.P. Journe and a tourbillon sapphire crystal and titanium skeletonished tourbillon wristwatch by Richard Mille are pictured during a preview at Christie’s before the auction sale in Geneva, Switzerland, November 2, 2022. REUTERS/Denis Balibouse 

A banner celebrating Queen Elizabeth's Platinum Jubilee is seen as the Canadian flag flies at half staff on the Peace Tower at the Parliament Buildings, after Queen Elizabeth's passing, in Ottawa, Ontario, Canada, September 8, 2022. REUTERS/Patrick Doyle 

A banner celebrating Queen Elizabeth's Platinum Jubilee is seen as the Canadian flag flies at half staff on the Peace Tower at the Parliament Buildings, after Queen Elizabeth's passing, in Ottawa, Ontario, Canada, September 8, 2022. REUTERS/Patrick Doyle 

A banner celebrating Queen Elizabeth's Platinum Jubilee is seen as the Canadian flag flies at half staff on the Peace Tower at the Parliament Buildings, after Queen Elizabeth's passing, in Ottawa, Ontario, Canada, September 8, 2022. REUTERS/Patrick Doyle 

A man walks past a pub displaying flags in honour of Britain's Queen Elizabeth's Platinum Jubilee, amid concerns over Queen Elizabeth's health, in Windsor, Britain, September 8, 2022. REUTERS/Hannah McKay 

Britain's Prince Charles and Camilla, Duchess of Cornwall, known as the Duke and Duchess of Rothesay while in Scotland, officially open the Queen Elizabeth Platinum Jubilee Archway during the Braemar Royal Highland Gathering at the Princess Royal and Duke of Fife Memorial Park in Braemar, Scotland, Britain September 3, 2022. Jane Barlow/Pool via REUTERS 

Britain's Prince Charles and Camilla, Duchess of Cornwall, known as the Duke and Duchess of Rothesay while in Scotland, officially open the Queen Elizabeth Platinum Jubilee Archway during the Braemar Royal Highland Gathering at the Princess Royal and Duke of Fife Memorial Park in Braemar, Scotland, Britain September 3, 2022. Jane Barlow/Pool via REUTERS 

A mine worker reacts as he returns from a shift at Lonmin's Marikana platinum mine in Rustenburg, 100 km (62 miles) northwest of Johannesburg, South Africa , July 12, 2022. REUTERS/Siphiwe Sibeko 

Britain's Prince Charles, the Colonel in Chief of The Mercian Regiment, presents Platinum Jubilee medals to Battalion members, as he visits the 2nd Battalion of The Mercian Regiment before it is amalgamated with The 1st Battalion, at Weeton Barracks, Lancashire Britain July 8, 2022. REUTERS/Jason Cairnduff/Pool 

Britain's Prince Charles, the Colonel in Chief of The Mercian Regiment, presents Platinum Jubilee medals to Battalion members, while he visits the 2nd Battalion of The Mercian Regiment before it is amalgamated with The 1st Battalion, at Weeton Barracks, Lancashire Britain July 8, 2022. REUTERS/Jason Cairnduff/Pool 

The Garter Collar and Badge featuring St George, and worn by Britain’s Queen Elizabeth at her coronation, is seen on display as part of, Platinum Jubilee: The Queen’s Coronation exhibition at Windsor Castle, Windsor, Britain, July 6, 2022. REUTERS/Peter Nicholls