An Art Nouveau 18K gold brooch. The piece represents a pin bar richly garnished with diamonds and rubies, to which a medallion is attached via chain. The medallion depicts an embossed female profile in the style of Alphonse Mucha and is also garnished with gems. Marked G. Fouquet on the backside, 18K on the pin. Total Weight: 9 grams. Georges Fouquet, 1862 to 1957, was a French jewelry designer best known for his Art Nouveau creations. In 1900 he opened a jewelry shop at 6 rue Royale in Paris, designed by Alphonse Mucha, 1860 to 1939, a Czech graphic artist. Collectible Luxury Lapel Jewelry For Women.