50-500 usd
your colt trooper mkIII was made in 1978.
100-700 USD
value depends on overall condition................
40-400 usd
50-500 usd
Between $300 and $475.
50-500 uSD
Up to 600 USD
Proofhouse.com has Colt sn data.
100-400 USD depending on condition.
50-500 usd
your colt trooper was produced in 1968.