ANDREAS ODENWALD (Pforzheim)
Jugendstil Brooch 
Silver & chalcedony
Length: 2.7cm Width: 3.3cm
Marked: ‘AO’ monogram ‘900’ & ‘GESCHUTZ’
German. Circa 1905
Fitted case
Literature: cf. Schmuck in Deutschland und Osterreich 1895-1914,
Ulrike von Hase, 1977, page 411
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