-
- Miller Jewelry Co., The
Country City Cincinnati OH
Era c.1915, c.1934, c.1943
-
- Miller-Steinau
Country City San Francisco CA
Era c.1934
-
- Miller, Jos. E.
Country City Providence RI
Era c.1922
-
- Milroy, S. K.
Country City Toronto ONT
Symbol circle, cross
Shape circle, cross
Era c.1922
-
- Milton Jewelry Co. Inc.
Country City New York NY
Era c.1934
-
- Milwaukee Novelty Co.
Country City Milwaukee WI
Era c.1896
-
- Miraglia, Frank
Country City New York NY
Era c.1950s
-
- Mission Bead Co.
Country City Los Angeles CA
Symbol mission
Era c.1922
-
- Mitchell, E.M.
Country City Los Angeles CA
Era c.1934
-
- Moba Jewelry Corp.
Country City New York NY
Era c.1950
-
- Mohel-Roseart Inc.
Country City New York NY
Era c.1950
-
- Monopearl Inc.
Country City Providence RI
Era c.1950
-
- Montana Agate Co.
Country City Billings MT
Symbol cartouche, frame, shield
Shape cartouche, frame, shield
Era c.1922
-
- Montclair JLY. & Novelty MFG. Co.
Country City New York NY
Shape shield, triangle
Symbol scroll, shield, triangle
Era c.1922
-
- Moore & Son Inc.
Country City Newark NJ
Symbol anchor, x
Era c.1896, c.1915, c.1934, c.1950, c.1943
-
- Moore & Evans
Country City Chicago IL
Symbol arrow, cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1934
