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KNOLL & PREGIZER (Pforzheim)
Art Deco Clip cased by Asprey
Silver Faux Sapphire Faux Diamond
H: 4.2 cm (1.65 in)  W: 3.4 cm (1.34 in) 
Marks: '935 & 'KP' monogram
European, c.1920
Original fitted case the silk marked: Asprey Bond St London
Literature: cf. European Designer Jewelry, Ginger Moro, 1995, 127.

Ref: 7098