On the frame
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Serial number is on the frame.
Only Colt knows. SN ranges compromise more than one model
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What year is a trooper mark 3 serial 10192j.With the serial number that you have provided,your Colt Trooper mark III was made in the year 1975.
Colt data at Proofhouse.com
You did not provide a serial number.
You will have to call Colt to find out.
You will have to call Colt to find out.
1972
Does the serial number have a D before the numbers. If it does, it is made in 1966. The Colt Police Positive Special was made in large numbers, therefore reducing the value. I have seen prices from $200-400 depending on the condition. Mark Brown
You will have to call Colt