ART DECO EMERALD, SAPPHIRE, RUBY AND DIAMOND WATCH, OSTERTAG
Carved and square-cut emeralds, carved sapphires, cabochon rubies, vari-cut diamonds, platinum (French marks), circa 1925, 15.5 cm, signed Ostertag France
ART DECO EMERALD, SAPPHIRE, RUBY AND DIAMOND WATCH, OSTERTAG
Carved and square-cut emeralds, carved sapphires, cabochon rubies, vari-cut diamonds, platinum (French marks), circa 1925, 15.5 cm, signed Ostertag France
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