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
PTFA on a Colt Frontier Scout barrel stands for "Post Tension Fire Arm." This designation indicates that the firearm was manufactured with a specific tensioning process to enhance the strength and durability of the barrel. The Colt Frontier Scout is a .22 caliber revolver known for its lightweight design and is often sought after by collectors.
10-300 usd
From the records I have, the Colt frontier scout .22 Q model was produced in 1967. (210500F-223199F) about 1967