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- Aardewerk, J.
Country City Amsterdam
Symbol cartouche, diamond, frame, gemstone, shield
Shape cartouche, diamond, frame, shield
Era early 20th century
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- Amelsfort, J.A.P. van
Country City Tilburg
Symbol cartouche, frame, rectangle, square
Shape cartouche, frame, rectangle, square
Era early 20th century
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- Andriessen, J.A.M.
Country City Eindhoven
Symbol cartouche, frame, pillow, square
Shape cartouche, frame, pillow, square
Era early 20th century
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- Apffel Co. Inc., James A.
Country City Los Angeles CA
Symbol dash or hyphen –
Era c.1950, c.1943
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- Granbery Co. Inc., J. Austin
Country City Newark NJ
Era c.1896 c.1934
