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- Boulenger, Maison
Country City Paris
Symbol cartouche, crescent, cup, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era fl.1920-40
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- Cathedral Art Metal Co. Inc.
Country City Providence RI
Symbol cartouche, cup, frame, rectangle, square
Shape cartouche, frame, rectangle, square
Era c.1934, c.1943
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- Krol, K.F.
Country City Den Haag
Symbol cartouche, cup, frame, octagon, square
Shape cartouche, frame, octagon, square
Era early 20th century