, 'Art Moderne Sapphire and Diamond Necklace ,' circa 1935, Siegelson

Cartier

Art Moderne Sapphire and Diamond Necklace , circa 1935

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, 'Modernist Hammered Silver and Blood Jasper Necklace,' circa 1930, Siegelson

Jean Després

Modernist Hammered Silver and Blood Jasper Necklace, circa 1930

Siegelson

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, 'The Gould Mystery Clock: An Art Deco Single Axle Mystery Clock,' circa 1921, Siegelson

Cartier

The Gould Mystery Clock: An Art Deco Single Axle Mystery Clock, circa 1921

Siegelson

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, 'Art Deco Mughal Sapphire and Diamond Ring,,' circa 1925, Siegelson

Unknown

Art Deco Mughal Sapphire and Diamond Ring,, circa 1925

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, 'Art Deco Geometric Brooch,' circa 1927, Siegelson

Sandoz Gérard

Art Deco Geometric Brooch, circa 1927

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, 'Ruby, Rose Quartz, and Enamel "Fleur" Brooch ,' circa 1936, Siegelson

Suzanne Belperron

Ruby, Rose Quartz, and Enamel "Fleur" Brooch , circa 1936

Siegelson

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