Oscar Heyman valuations

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A COLORED DIAMOND AND DIAMOND NECKLACE, BY OSCAR HEYMAN & BROTHERS
A COLORED DIAMOND AND DIAMOND NECKLACE, BY OSCAR HEYMAN & BROTHERS Designed as series of graduate...
Jun 12, 2018
OSCAR HEYMAN & BROTHERS RUBY AND DIAMOND RING
A MULTI-GEM PENDANT-BROOCH, BY OSCAR HEYMAN & BROTHERS
A MULTI-GEM PENDANT-BROOCH, BY OSCAR HEYMAN & BROTHERS Designed as a bouquet of flowers, includin...
Apr 17, 2018
OSCAR HEYMAN & BROTHERS SAPPHIRE, RUBY, AND DIAMOND CROSSOVER RING