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- Jacobs Sons Co., D.
Country City Cincinnati OH
Symbol cartouche, circle, frame
Shape cartouche, frame
Era c.1934
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- Jacobs, J.A.
Country City Amsterdam
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
Era (1885-1968)
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- Jacoby Inc., Julius J.
Country City Providence RI
Era c.1922, c.1934
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- Jansen, H.J.H.
Country City Maastricht
Symbol cartouche, frame, quatrefoil
Shape cartouche, frame
Era early 20th century
-
- Jansen, Post & Cocx
Country City Amsterdam
Symbol cartouche, frame, rectangle, v clipped
Shape cartouche, frame, rectangle, v clipped
Era early 20th century
-
- Janssen, A.J.
Country City Nijmegen
Symbol cartouche, frame, hexagon
Shape cartouche, frame, hexagon
Era early 20th century
-
- Jeanette Jewelry Co.
Country City Providence RI
Era c.1922
-
- Jedeloo, N.V.
Country City Den Haag
Symbol cartouche, crescent, frame, moon, octagon, rectangle, square
Shape cartouche, frame, octagon, rectangle, square
Era early 20th century
-
- Jenkins Sons Co., J.
Country City Baltimore MD
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1915, c.1934, c.1943
-
- Jewelers Co-Operative Syndicate
Country City New York NY
Shape square
Symbol square
Era c.1922
-
- Johnson MFG. Co., Inc.
Country City Attleboro MA
Symbol cartouche, frame, triangle
Shape cartouche, frame, triangle
Era c.1922
-
- Johnstone, Chas. C.
Country City Chicago IL
Symbol cartouche, frame, octagon
Shape cartouche, frame, octagon
Era c.1934
-
- Jones & Co., Chas. F.
Country City London CA
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1922
-
- Joralemon & Son, A.
Country City Newark NJ
Era c.1896, c.1915
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- Jorna, Fa. Jac.- en Zn.
Country City Amsterdam
Symbol cartouche, dot ., frame, square
Shape cartouche, frame, square
Era early 20th century
-
- Jorna, Th. en Zn.
Country City Amsterdam
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
Era early 20th century
