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| Front | Mark |
OSCAR DIETRICH Secessionist Brooch  Silver with opal Marks: ‘OD’ 'A' & Vienna poincon Length: 1.6 cm (0.6 in) Width: 2.7 cm (0.6 in) Austrian. Circa 1910 Fitted case The design is attributed to Franz Delavilla Literature: cf. Art Nouveau Jewelry Vivienne Becker, 1985, pl. 220 Wiener Gold - und Silberschmiede und ihre punzen 1867-1922 Waltraud Neuwirth, Lexicon A-K , p. 143 & 237 |