Circa 1915, mounted in platinum and 14K gold, a Royal Flying Corps sweetheart brooch set with 91 single-cut diamonds in the wings, crown and letter ''F'' totaling approximately 1.15 cts; the letters ''R'' and ''C'' set with 24 square and triangle-cut rubies on green enamel foliate wreath background, 2 5/8'' x 1'', 11.2 gms gross, est: $1000/1500

Overall good condition with normal signs of wear. Safety chain deficient. A few surface reaching inclusions and chips evident on a few rubies.