-
- Levitt & Co.
Country City New York NY
Era c.1934
-
- Leys, Christie & Co.
Country City New York NY
Symbol arrow, circle, flower, leaf, plant
Shape circle
Era c.1896, c.1915, c.1934, c.1950, c.1943
-
- Link, Angell & Weiss
Country City Newark NJ
Shape oval
Symbol oval
Era c.1896, c.1915
-
- Link, William
Country City Newark NJ
Shape oval
Symbol oval
Era c.1896, c.1915
-
- Lissauer & Co.
Country City New York NY
Symbol flower
Era c.1896, c.1915, c.1934
-
- Luther & Son, Wm. H.
Country City Providence RI
Symbol banner, building, hat, ribbon
Era c.1896, c.1915
-
- Magid, Samuel M.
Country City Providence RI
Symbol circle, oval, ring
Shape circle, oval
Era c.1915
-
- Marcus, Isidor
Country City New York NY
Symbol cartouche, frame, shield
Shape cartouche, frame, shield
Era c.1922
-
- Mason Jewelry Co., C. H.
Country City Providence RI
Era c.1922
-
- Mayer, Inc., Jos.
Country City Seattle WA
Symbol pick, x
Era c.1922
-
- McLaughlin & Co., E.S.
Country City Providence RI
Symbol animal, creature, star
Shape star
Era c.1896, c.1915, c.1922
-
- Morgan Jewelry Co.
Country City Providence RI
Shape star
Symbol star
Era c.1934
-
- Morse Bros.
Country City New York NY
Era c.1934
-
- Nesler & Co.
Country City Newark NJ
Shape badge, cartouche, frame, star
Symbol badge, cartouche, flower, frame, star
Era c.1896, c.1915, c.1922
-
- Osmers-Dougherty Co.
Country City New York NY
Symbol horseshoe
Era c.1915
-
- Osmers, Frank C.
Country City New York NY
Era c.1922
