Important Brooch Art Nouveau in Gold 18 kt g. 34.00 (cm. 7.5 wide) with fire enamel applied to cathedral (plique a jour) with natural diamonds brilliant cut cts. 1.10 6 rubies per cts. 0.50 two cabocon sapphires for cts. 0.20 (also wearable as a necklace with special chain)