Dragonfly woman

An Art Nouveau corsage ornament by René Lalique (1897-1898), described as "gold, enamel, chrysoprase, moonstones, and diamonds, 23 x 26.5 (9 x 10 3/8)." Calouste Gulbenkian Foundation, Lisbon. © 2000 Artists Rights Society (ARS), New York /ADAGP, Paris.

From the website of the National Gallery of Art, via The Spirit of the Summit.