Lot 279 - Pair of diamond and blue sapphire cufflinks,
Calibre sapphire French cufflinks | DB Gems
Marcasite Cufflinks by Calibre Online | THE ICONIC | Australia
Vintage Cartier Gold Cufflinks set with Calibre Sapphires – A La Vieille Russie FABERGE, Antique Jewelry, Russian Art, Antiques, Gold Snuffbox Dealers ALVR NY