A Rene Lalique Escargot pattern glass vase model Introduced 1920, the flattened circular vase with short neck impressed with a snail shell, incised R. Lalique, No. 931, 21.5 cm high. Reference: Marcilhac, F., Rene Lalique: 1860-1945, catalogue Raisonne, Les Editions de l'Amateur, Paris 1994, ref. 931, (illustrated)