A Pair of Platinum, Diamond, Ruby and Sapphire American Flag Cufflinks, Oscar Heyman Brothers, Previously owned by President Jimmy Carter, the flags and flagpoles containing 16 calibre cut sapphires, 56 calibre cut rubies, 26 baguette cut diamonds and 10 round brilliant cut diamonds, hinged backs.Stamp: (Maker's mark OHB for Oscar Heyman Brothers) PLAT 301676.Accompanied by a handwritten note on personalized stationery signed by President Carter stating that these cufflinks were worn to his Nobel Peace Prize acceptance ceremony on December 10, 2002. 11.60 dwts.