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- Michelsen, A. (Anton)
Country City Copenhagen
Symbol cartouche, crown, frame, oval
Shape cartouche, frame, oval
Era (1809-1877) e.1841
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- Michelson & Sons, I.
Country City New York NY
Symbol cartouche, diamond, frame, lozenge, rectangle, square
Shape cartouche, diamond, frame, lozenge, rectangle, square
Era c.1915, c.1934, c.1943
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- Mick, Rudolf
Country Era 1867-1922
Symbol cartouche, dot ., frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Mierlo, W.G.H.v.
Country City Amsterdam
Symbol cartouche, frame, ribbon
Shape frame
Era early 20th century
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- Mikolaschek, Josef
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Milhening Inc., J.
Country City Chicago IL
Era c.1915, c.1934, c.1950, c.1943
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- Miller Jewelry Co., The
Country City Cincinnati OH
Era c.1915, c.1934, c.1943
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- Miller, Jos. E.
Country City Providence RI
Era c.1922
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- Milligan Co., Ltd., W. A.
Country City Toronto ON
Era c.1922
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- Minihofer, Heinrich
Country Era 1867-1922
Symbol cartouche, frame, rectangle, v clipped
Shape cartouche, frame, rectangle, v clipped
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- Minihofer, Jaroslav
Country Era 1867-1922
Symbol cartouche, dot ., frame, rectangle, v clipped
Shape cartouche, frame, rectangle, v clipped
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- Mittendorfer, Johann
Country Era 1867-1922
Symbol cartouche, dash or hyphen -, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Möller, Maximilian
Country Era 1867-1922
Symbol cartouche, frame, rectangle, v clipped
Shape cartouche, frame, rectangle, v clipped
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- Möller, Thomas
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Möller, Wilhelm
Country Era 1867-1922
Symbol cartouche, frame, rectangle
Shape cartouche, frame, rectangle