depending on the finish, between $170 and $495.
value depends on overall condition................
40-400 usd
Between $300 and $475.
0-500 usd
50-500 uSD
100-400 USD depending on condition.
@ 1966
100-500 USD
your colt trooper mkIII was made in 1978.
about $750.00
Proofhouse.com has sn data.
Colt J frame.