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PAUL VICTOR GRANDHOMME 1851-1944
Superb Renaissance Revival Brooch
Gold Enamel Diamond
Diameter: 3.60 cm (1.42 in) 
Marks: Enamel signed with monogram ‘PG’
Pin numbered 1225
French, c.1880
Fitted Case
4 old cut diamonds 0.90 cts approx
4 smaller rose cut diamonds 0.20 cts approx
The polychrome bas relief is a fine example of Goldsmith repoussé Dictionary of Enamelling, History and Techniques, Erika Speel, 1997, p.69
Literature: cf. The Belle Epoque of French Jewellery 1850-1910, Thomas Heneage & Co Ltd, 1990, p. 124
Falize, A dynasty of jewelers, Katherine Purcell, 1999
p. 176, 177, 280, pl. 36, 86, 176, 255-59
Minor enamel repair
Henri Vever, French Jewelry of the Nineteenth Century
translated from the French by Katherine Purcell, 2001
p. 810, 858, 956, 989, 996
Collections include: Musee des Arts Decoratifs, Paris
Ref: 4774