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- Hirsch & Oppenheimer
Country City Chicago IL
Symbol circle
Shape circle
Era c.1950, c.1943
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- Oppenheimer Co. Inc., H.
Country City Chicago IL
Symbol cartouche, circle, frame
Shape cartouche, frame
Era c.1934
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- Ouendag, H.W.
Country City Amsterdam
Symbol cartouche, frame, hexagon
Shape cartouche, frame, hexagon
Era early 20th century
