A detail of a golden monstrance is seen during the 'Treasure of San Gennaro' exhibition in Rome October 29, 2013. One of the world's richest treasure troves went on display in Rome on Tuesday, including gem-studded chalices, sumptuous jewellery and golden trinkets collected over seven centuries. It was the first time such a large selection of the 'Treasure of San Gennaro', precious objects donated in tributes to the patron saint of Naples, has been displayed outside of the southern Italian city. REUTERS/Tony Gentile (ITALY - Tags: SOCIETY)