"1863" dated tail of the lock with the Federal Eagle and "U.S./NORWICH" at the front, non-visible barrel date, and "V/P/eagle head proofs at the upper left breech of the barrel.

"1863" dated tail of the lock with non-visible Federal Eagle and partly visible "U.S./BRIDESBURG" at the front, non-visible barrel date, and "V/P/eagle head proofs at the upper left breech of the barrel.