This is a free shotshell headstamp database with photos and probable production dates.
The database is a work in progress and the production dates given are rarely exact but the ‘most likely’ dates given the evidence I have available.
UPDATE 17/01/22 **** Currently adding more photos *****
Australian Brands – companies that did not manufacture their own shotshells.
Australian Manufacturers
UK Brands – companies that did not manufacture their own shotshells.
UK Manufacturers
Cogswell & Harrison – (Cogschultze, CHMC)
US Brands – companies that did not manufacture their own shotshells.
Sears, Roebuck and Co. (C.C.Co., J.C.Higgins, Ted Williams, S.R.&Co.)
US Manufacturers
Peters Cartridge Company *** Updated Dates: 2nd June ’19 ***
Union Metallic Cartridge Company (UMC)
United States Cartridge Company
Winchester Repeating Arms *** Updated Dates: January 2022 ***