100 years old.
You must call Colt to find out.
You must call Colt
made about 1949
You will need to call Colt. That SN is not in the published data I have access to.
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
If your number is 05518 it could be 1912 or 1918
No such sn in the Colt 25 range
Proofhouse.com has Colt sn data.
Proofhouse.com has Colt sn data.
Proofhouse.com has Colt sn tables.
Proofhouse.com has Colt sn data.
Proofhouse.com has Colt sn data