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- Harrant, Karl
Country Era 1867-1922
Symbol cartouche, dot ., frame, rectangle, v clipped
Shape cartouche, frame, rectangle, v clipped
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- Hart Bros., Inc.
Country City Newark NJ
Era c.1922
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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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- Hart, Fa. C.P. ‘t (“Artifex”)
Country City Den Haag
Symbol cartouche, frame, octagon, plus +, rectangle, square
Shape cartouche, frame, octagon, rectangle, square
Era early 20th century
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- Hartl, Karl
Country Era 1867-1922
Symbol cartouche, frame, line, rectangle
Shape cartouche, frame, rectangle
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- Hartman & Co., Harry
Country City Los Angeles CA
Era c.1943
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- Hartmann, Josef
Country Era 1867-1922
Symbol cartouche, dash or hyphen -, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Hartmann, Rafael
Country Era 1867-1922
Symbol cartouche, frame, rectangle
Shape cartouche, frame, rectangle
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- Hartung, Friedrich
Country Era 1867-1922
Symbol cartouche, frame, line, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Hartzberg, J.&L.
Country City New York NY
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, lozenge, rhombus
Era c.1934 c.1950, c.1943
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- Haslauer & Cernoch
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Haslauer, Friedrich
Country Era 1867-1922
Symbol cartouche, dash or hyphen -, frame, rectangle, v clipped
Shape cartouche, frame, rectangle, v clipped
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- Haslinger, Joh.
Country Era 1867-1922
Symbol cartouche, dash or hyphen -, frame, oval
Shape cartouche, frame, oval
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- Hasnik, Robert
Country Era 1867-1922
Symbol cartouche, dot ., frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Hatot, Léon
Country City Paris
Symbol cartouche, diamond, frame, gemstone, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c. early 20th century