A Christie's staff holds a pair of ruby and diamond ear pendants during an auction preview in Geneva, Switzerland, May 8, 2015. The pendants, together with a matching ring, were presented in 1969 as a wedding gift to Jacqueline Kennedy Onassis by Aristotle Onassis. They are expected to sell between US $ 250,000 to 350,000 when they are auctioned on May 13 in Geneva. REUTERS/Denis Balibouse