An emerald and diamond watch, RAYMOND YARD, PATEK PHILIPPE & CO., CIRCA 1955With mechanical movement, the silvered rectangular dial with Arabic numerals, to the calibre-cut diamond bezel enhanced by graduated baguette-cut diamonds to the cut-cornered square-cut emeralds with diamond detail extending a double platinum staple-link bracelet: dial signed Yard; movemement signed Patek Philippe & Co., no. 842636; mounted in platinum; length 6 in.注脚cf. Natasha Kuzmanovic, Yard, The Life and Magnificent Jewelry of Raymond C. Yard (New York: The Vendome Press, 2007) page 124.