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- Benson Ltd, J.W.
City London
Country Symbol ankh
Era c.1915, c.1922
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- Farmer Bros. Jewellery, Ltd.
Country City Montreal QC
Era c.1922
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- Gerwe Bros. & Garvey Co.
Country City Davenport IA
Symbol arrow, cartouche, diamond, frame, lozenge
Shape cartouche, diamond, frame, lozenge
Era c.1922
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- L’Enfant, Georges
Country City Paris
Symbol bird, cartouche, diamond, frame, leaf, lozenge, rhombus, wings
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1899-2003
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