Serial number is on the frame.
proofhouse.com
210-52996 is the serial number. Mark 2 would be the series. 50-175 USD or so
Try Proofhouse.com
On the frame
September 18, 1871
You will have to call Colt to find out.
1980-1983
You will have to call Colt
How can I find out what year Colt Combat Commander Mark 4 Series 80 was made?
Serial numbers are used by the factory to keep count on total number of firearms made in any given model.
around 1980.
You need to call Colt