Impossible to answer without a detailed description.
You will have to call Colt to find out.
You must all Colt. The serial number you list is not in the proper range.
SN goes beyond what has been published. You will have to call COLT.
@ 40 years old. Call Colt and they can narrow it down
@39 yrs old
That colt commander with serial # 39487LW was produced in 1959. (39450LW-41500LW) mfg date is 1960, not sure if '70 or '80
It would be 45 years old, made in 1966.
It was made in 1960,about 49 years old.
If you are talking about the colt 1908 hammerless .25, it is about 91 years old having been made in 1918. Can't tell the value though,sorry.
Don't know value, but was made in 1969. Colt officers model.
$550-$650
100 USD or so