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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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- Mom, J.
Country City Arnhem
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era early 20th century
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- Moss & Bro., Julius H.
Country City New York NY
Era c.1934
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- Mulder, J.
Country City Utrecht
Symbol cartouche, dot ., frame
Shape cartouche, frame
Era early 20th century