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the naturalistically chased yellow gold stem mounted with a rose cut diamonds suspending red glass grapes.
Georges Fonsèque and Emile Olive made a specialty of these brooches in the form of grapes. They were originally supplied in miniature wooden wine cases.
£6,400
4.6 cm across

Illustrated
For a similar brooch see Henri Vever’s La Bijouterie Française au XIXe Siècle, translated by Katherine Purcell, page 1024.