FRIEDRICH ZERRENNER (Pforzheim)
Art Nouveau Brooch
Gold , enamel, diamond & pearl
Length: 3.6 cm (1.4 in)  Width: 3.4 cm (1.3 in)
Marked: ‘750’ & French import
German. Circa 1900
Fitted case
Literature: cf. European Jewellery
From Historism to Art Nouveau, Pforzheim Jewellery Museum
1984, page 149, catalogue numbers 230 & 231
Das Schmuck Buch, Rucklin, Leipzig 1901, p.248
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