*DIAMOND AND GOLD BROOCH, London, ca. 1911. In case, Mappin Brothers, London.

Yellow gold. Elegant brooch in the shape of a butterfly with real wings of a South American, blue Morpho butterfly, under cut gemstone, probably rock crystal. The body is set with 4 old mine cut diamonds totalling ca. 0.20 ct and with 2 small sapphires as eyes. Engraved on the back: «breveté dans tous les pays». Estimation : 8 000 / 12 000 CHF

Koller - CH-8031 Zurich. Bijoux et Montres. Vente du Mardi 17 Juin 2008