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- Dummer, Jeremiah
Country City Boston MA
Symbol heart, shape
Shape heart, shape
Era (1645-1718)
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- Freeman Co., B.S.
Country City Attleboro Falls MA
Symbol cartouche, frame, heart
Shape cartouche, frame, heart
Era c.1915, c.1922
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- Goldman-Kolber Co. Inc., The
Country City New York NY
Symbol arrow, clover, heart, triangle
Shape heart, triangle
Era c.1934 c.1950, c.1943
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- Goldstein & Swank Co.
Country City Worcester MA
Symbol cartouche, frame, heart
Shape cartouche, frame, heart
Era c.1922
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- H.W.K. CO.
Country City Providence RI
Symbol circle, heart, oval, triangle
Shape circle, heart, oval, triangle
Era c.1915
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- Hart Co., D.A.
Country City Attleboro MA
Symbol heart
Shape heart
Era c.1915
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- Hart Jewelry Co.
Country City Chicago IL
Symbol cartouche, frame, heart
Shape cartouche, frame, heart
Era c.1915, c.1934
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- Hartman, AL. F.
Country City Kalamazoo MI
Symbol heart, man
Shape heart
Era c.1915
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- Heart Jewelry Co., The
Country City New York NY
Symbol cartouche, frame, heart
Shape cartouche, frame, heart
Era c.1915
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- Horvat, Anton
Country City Baltimore MD
Symbol cartouche, frame, heart, shape
Shape cartouche, frame, heart, shape
Era c.1934
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- Ingomar Goldsmith & Co.
Country City New York NY
Symbol bird, diamond, gemstone, heart, wings
Shape diamond, heart
Era c.1896
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- Ludwig & Son, A.
Country City New York NY
Symbol bow, heart, laurel, ribbon, wreath
Shape heart
Era c.1915
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- Macomber Mfg. Co.
Country City Providence RI
Symbol heart
Shape heart
Era c.1915
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- Mauran Mfg Co., J.T.
Country City Providence RI
Symbol heart
Shape heart
Era c.1896, c.1915
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- Morris, Mann & Reilly
Country City Chicago IL
Symbol heart
Shape heart
Era c.1915, c.1922, c.1934
