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- Porter & Wiser Jewelry Co.
Country City Kansas City MO
Symbol cartouche, frame, oval, rectangle
Shape cartouche, frame, oval, rectangle
Era c.1915, c.1934, c.1950
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- Wendels, P.J.J.
Country City Schoonhoven
Symbol cartouche, frame, hexagon
Shape cartouche, frame, hexagon
Era early 20th century
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- Wiel, P. van der
Country City Sliedrecht
Symbol cartouche, cross, dot ., frame
Shape cartouche, cross, frame
Era early 20th century
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- Winter, P.E. de
Country City Amsterdam
Symbol cartouche, frame, ribbon
Shape cartouche, frame
Era early 20th century
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