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UMC Headstamps

U.M.C. Co. Star star primer

U.M.C. Co. Union. Star primer

U.M.C. Co. Arrow

U.M.C. Co. Acme

U.M.C. Co. Challenge

U.M.C. Co. Challenge Flower primer

U.M.C. Co. Trap circle primer

U.M.C. Co. Walsrode

U.M.C. Co. smokeless

U.M.C. Co. Smokeless (all brass)

U.M.C. Co. High-Base flower primer

U.M.C. Co. High-Base

U.M.C. Co. Magic Circle primer lines

U.M.C. Co. Magic

U.M.C. Co. Majestic

U.M.C. Co. Nitro

U.M.C. Co. Nitro Club

U.M.C. Co. Nitro Club Flower Primer

U.M.C. Co. New Club Star Primer

U.M.C. Co. New Club

U.M.C. Co. New Club Circle Primer

U.M.C. Co. Black Club

U.M.C. Co. Club Circle Primer

U M C Club (all brass) 

U.M.C. Co. Primrose Club star primer

U.M.C. Co V.L & D (Made for VL &D)

U.M.C. Co. Bridgeport CT Raised

U.M.C. Co. (all Brass)

U.M.C. Co. (all Metal)

U.M.C. Co. S.G (2nd Grade)

U.M.C. Co. Seibolds Patent

Star (1880's)

U.M.C. Co. No

U.M.C. Co. XX Circle Primer

UMC X X