As of December 2022, only 23 specimens are known with the 1868 date on the breech block. Latest to surface is #25, joining earlier finds of #62, #36, #127, #6 and #93.
As of December 2022, only 23 specimens have been found with the 1868 date on their breech blocks. The most recent discovery is specimen #25, which joins previous finds of #62, #36, #127, #6 and #93.