https://www.1stdibs.com/jewelry/rings/cocktail-rings/charles-boutet-de-monvel-art-nouveau-opal-diamond-gold-bat-maiden-ring/id-j_90808/
For Sale on 1stDibs - Illustrated in our book: Beatriz Chadour-Sampson & Sonya Newell-Smith, Tadema Gallery London Jewellery from the 1860s to 1960s,...
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