Look on the grip frame under the grip panes and on the bottom of the frame under the barrel.
1972
about 1971
1975
1971
Proofhouse.com has sn data.
On the frame and the grip frame.
Made in 1975.
The records I have show a Colt frontier scout .22 revolver K model with that serial number as being made in 1969.
Blue Book of Gun Values.
Ypur Colt new frontier SAA was made in 1962.
The Colt frontier scout .22 revolver 62 K model with that serial number was mfg'd in 1964.
Made in 1874.