Ludwig & Ludwig golden water decal (circa 1912-1924)
Ludwig & Ludwig oval stamp (circa 1916-1926)
Leedy Indianapolis oval stamp (circa 1903-1929)
Walberg & Auge ink stamp (pre-1920)
Walberg & Auge type #1 metal badge
Walberg & Auge type #2 metal badge
Walberg & Auge water decal
Walberg & Auge metal stamp (pre- or mid-1920's)
20th Century Professional Fred Gretch Mfg. Co. (circa teens-20's)
Ludwig decal (mid-late 1920's)
Ludwig metal badge (1920's)
Ludwig & Ludwig large-size wood stamp (pre- or early 1920's)
Leedy Indianapolis circular stamp (circa 1903-1929)
Yerkes stamp (circa 1912-1916)
Nokes & Nicolai badges (circa 1912-1926)
Jas. H. Ward stamp Type 1 circa 1909
Jas. H. Ward stamp Type 2 circa 1909
Ward big letter stamp circa 1909
early Ludwig & Ludwig round metal stamp circa 19-teens
early Ludwig & Ludwig metal stamp circa 19-teens
Ludwig & Ludwig metal stamp 1920's
Ludwig metal stamp - middle period early 1920's
Ludwig metal stamp - middle period circa 1927
Ludwig metal stamp - late period 30's - 40's
Leedy Indianapolis metal stamp (pre-1929)
F.E. Dodge stamp (pre-1912)
Acme Drummer's Supply, Chicago (1910's-1920's)
J.W. Pepper stamp (pre-1920)
Very illegible Duplex ink stamp (pre-1920)
Duplex metal stamp
20th Century Professional Fred Gretch Mfg. Co. metal stamp (circa 1910's-1920's)
Very illegible Duplex metal stamp (pre-1920)
Barry Drum Co. badge (1920's and 30's)
Barry Drum Co. metal stamp (1920's)
George B. Stone badge pre-1922
Harry Bower stamp (pre-1920)
Frisco/Kochman metal stamps (1920's)
M.J. Kochman "Truplex" Stamp
