Go to: www. proofhouse.com with serial number.
1918
You can find out at Proofhouse.com in the Colt tables.
You will have to call Colt to find out.
Made in 1916, if 1903 hammerless .32
1934 for the Colt 1903 hammerless .32.
Can't answer without model name. Go to proofhouse.com and look it up.
COLT GOVT MODEL M1911A1 U.S. ARMY- MFG BY REMINGTON RAND IN SYRACUSE NY -
In order to tell how old your Colt 25 semi auto pistol is, you will need to offer the serial number. This number gives you an idea of when the pistol was manufactured.
A Colt woodsman .22 with that serial number was produced in late 1941.
1947
They refer to this handgun as the browning model BDA (browning double action auto) pistol.
No published sn data; 200 or so