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- Martinez, Filipe
Country City Taxco
Era e.1950
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- Martinkowitsch, Josef
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape frame, oval
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- Martschitsch, Karl
Country Era 1867-1922
Symbol cartouche, dot ., frame, oval
Shape cartouche, frame, oval
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- Maruschka, Johann
Country Era 1867-1922
Symbol cartouche, frame, oval, v clipped
Shape cartouche, frame, oval, v clipped
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- Marzi, Viktor
Country Era 1867-1922
Symbol cartouche, frame, oval, v clipped
Shape cartouche, frame, oval, v clipped
-
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- Maschek, Ferdinand
Country Era 1867-1922
Symbol cartouche, frame, oval, v clipped
Shape cartouche, frame, oval, v clipped
-
- Maschmeyer-Richards Silver Co.
Country City St. Louis MO
Symbol arrow, cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1934
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- Mason Jewelry Co., C. H.
Country City Providence RI
Era c.1922
-
- Mason, Howard & Co.
Country City Attleboro MA
Symbol bird, crest, crown, globe, shield, world
Shape crest, shield
Era c.1896, c.1915
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- Masopust, Franz
Country Era 1867-1922
Symbol cartouche, frame, line, rectangle
Shape cartouche, frame, rectangle
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- Masriera, Lluis
Country City Barcelona
Era (1872-1958)
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- Massari, Friedrich
Country Era 1867-1922
Symbol cartouche, dot ., frame, oval, v clipped
Shape cartouche, frame, oval, v clipped
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- Masserman Co., Charles
Country City Newark NJ
Era c.1950
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- Massover Bros. Inc.
Country City Chicago IL
Era c.1950, c.1943
