110
110
USA, c. 1950
sterling silver, faceted quartz, onyx 3 h × 2½ w × ½ d in (8 × 6 × 1 cm)
sterling silver, faceted quartz, onyx 3 h × 2½ w × ½ d in (8 × 6 × 1 cm)
estimate: $4,000–6,000
result: $7,500
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Quartz was faceted by lapidary Francis Sperisen, San Francisco.
Impressed artist's ciper to clasp on brooch.
literature: Space, Light, Structure: The Jewelry of Margaret De Patta, Ilsa-Neuman and Muñiz, pg. 93 illustrates related brooch