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- Alling & Co.
Country City Newark NJ
Symbol cartouche, clover, frame, shamrock, trefoil
Shape cartouche, frame
Era c.1904, c.1915, Formed 1843
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- Bennett Co., T.E.
Country City Providence RI
Symbol clover, shamrock, trefoil
Era c.1896, c.1904, c.1915
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- Bliss Co., A.H.
City North Attleboro MA
Country Symbol clover, crescent, shamrock
Era c.1915, c.1922
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- Bogle Brothers
Country City White River Junction VT
Symbol clover, plant, shamrock, tree
Era c.1915, c.1934
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- Boyton & Son, Charles
Country Era e.1934
Symbol cartouche, clover, frame
Shape cartouche, frame, oval
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- Connell & Co.
Country Era c.1839
Symbol clover
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- Dunn & Rodenberg
Country City Providence RI
Symbol clover, leaf, plant
Era c.1915
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- Goldman-Kolber Co. Inc., The
Country City New York NY
Symbol arrow, clover, heart, triangle
Shape heart, triangle
Era c.1934 c.1950, c.1943
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- Greenberg & Levine
Country City New York NY
Symbol cartouche, clover, frame, quatrefoil, square
Shape cartouche, frame, square
Era c.1915
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- Leading Jewelry Mfg. Co. Inc., The
Country City New York NY
Symbol cartouche, circle, clover, frame, quatrefoil
Shape cartouche, circle, frame
Era c.1922, c.1934
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- Naegele, Eugene
Country City Philadelphia PA
Symbol clover
Era c.1896, c.1915
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- Nye Silver Shop, Stuart
Country City Ashville NC
Symbol clover, leaf, trefoil
Era c.1950
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- Parks Bros. & Rogers Inc.
Country City Providence RI
Symbol cartouche, circle, clover, frame, globe, horseshoe, rectangle, shamrock, square, triangle
Shape cartouche, circle, frame, rectangle, square, triangle
Era c.1915, c.1922, c.1934
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- Ravinet D’Enfert
Country Era fl.20th cen
Symbol cartouche, clover, diamond, frame, lozenge, rhombus, tree
Shape cartouche, diamond, frame, lozenge, rhombus, star
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- Sturm, Alexander
Country Era (1851-1915)
Symbol cartouche, circle, clover, frame, leaf, octagon, rectangle, shamrock, square
Shape cartouche, circle, frame, octagon, rectangle, square