You have a conversion unit on top of a frame that is outside the sn range of the Ace.
Parts gun. You have a conversion unit on top of a frame that is beyond the Ace and Service Ace sn's
Go to proofhouse.com for Colt combat commander serial numbers.
made 1960..........contact Colt Collectors Forum for value..............
if there are no barrel markings......how do you know it's a colt ??
Don't know the value, but Serial numbers B83551 - B99999 were made in 1972.
It tells the year of manufacture of a Colt.
value depends on overall condition...............
serial numbers for the 1911A1 government issue only go up to 2693613
The age and value of a colt .45 peacemaker serial 180356 are about 1900
I do not know the value,however the serial number 498946 shows that it was produced in the year 1948. (Serial numbers: 494001-501001 to 501600 were manufactured in 1948.)
1164728
Proofhouse.com