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- Lavanture, Georges
Country City Paris
Symbol cartouche, frame, lozenge, lyre, rhombus
Shape cartouche, frame, lozenge, rhombus
Era c.1920-30s
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- Pervear Co., H.N.
Country City Providence RI
Symbol clef, lyre
Era c.1915
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- Sloan & Co.
Country City New York NY, Newark NJ
Symbol clef, lyre, squiggle
Era c.1915, c.1934, e.1896, c.1943
