Nice revolver
Must be inspected by a gunsmith.
made about 1969
1966
50-300 usd
Proofhouse.com has sn data.
Can't be answered without knowing maker's name
Blue Book of Gun Values.
Try e-gunparts.com.
50-275 usd
10-300 usd
From the records I have, the Colt frontier scout .22 Q model was produced in 1967. (210500F-223199F) about 1967
The Colt frontier scout .22 revolver 62 K model with that serial number was mfg'd in 1964.