The shield-shaped plaque centering upon a sculpted and carved iridescent greenish-blue glass maiden with flowing draped fabric, backed by a gold panel, within a graduated blue cloisonn‚ and iridescent plique-…-jour enameled twin serpent frame, suspending a baroque pearl, mounted in gold, circa 1904-1905 Signed Lalique for Ren‚ Lalique The pearl has not been tested for natural origin LITERATURE Yvonne Brunhammer, "The Jewels of Lalique", Flammarion, Paris, 1998, page 64-65 Penny Proddow and Marion Fasel, "Bejeweled: Great Designers, Celebrity Style", Harry N. Abrams, Inc., New York, 2001, contents page "Ren‚ Lalique: 1860-1945", APT International Inc., Tokyo, 2000-2001, page 123 EXHIBITION "Ren‚ Lalique, Jewelry Glass", Paris, Mus‚e des Arts D‚coratifs, 22 October 1991-March 1992, no. 214 "Ren‚ Lalique", Tokyo, The National Museum of Modern Art, 23 May-12 July 1992, no. 116 "The Jewels of Lalique", New York, National Design Museum, Smithsonian Institution, 3 February-12 April 1998; Washington D.C., International Gallery, Smithsonian Institution, 15 May-16 August 1998; Dallas, Dallas Museum of Art, 13 September 1998-10 January 1999, no. 140 NOTES cf. Sigrid Barten, "Ren‚ Lalique, Schmuck und Objets d'art 1890-1910: Monographie und Werkkatalog", Prestel-Verlag, Mnchen, 1977, page 108 (appears to be working sketch).