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ART DECO
Egyptian Revival Occult Scarab Necklace
Silver Lapis Lazuli Moonstone Sapphire Diamond
Pendant: H: 12 cm (4.72 in)  W: 3.5 cm (1.38 in) 
Necklace: L: 106 cm (41.73 in)  W: 2 cm ( in) 
European, c.1920
Fitted Case
The hidden watch is revealed by pressing a concealed button
Literature: cf. Jewelry & Metalwork in the Arts & Crafts Tradition, Elyse Zorn Karlin, 1993, illustrated page 207

Ref: 235