Your colt was made in 1973.
Proofhouse.com has serial number tables for Colt.
1948
You will have to call Colt to find out. You will have to call Colt to find out.
@ 1966. Call Colt and they can tell you.
You can find out at Proofhouse.com in the Colt tables.
You will have to call Colt to find out.
around 1978
Proofhouse.com has Colt sn data.
about 1966
Produced in 1972.
Would need serial number to answer.
Made in 1969