FOUR 14K YELLOW GOLD AND ASSORTED GEMSTONE CIRCLE PINS, One, signed Tiffany & Co., with sixteen 4 mm cultured pearls, D: 7/8 in.; one with ten round sapphires alternating with 2.5 mm seed pearls, D: 1 in.; one, with ten round green tourmalines alternating with ten 4.5 mm cultured pearls, D: 1 3/16 in. ; one, 1940s, with six reeded crescents alternating with six carved crystal flower-heads each centering round sapphire, D: 1 1/4 in. Estimate $600-800
