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- Keller & Co., Charles
Country City New York NY
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1896, c.1904, c.1915, c.1922, c.1934
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- Kresney Mfg. Jewelers Inc., Chas.
Country City New York NY
Era c.1950
