about 1970. with no details it appeared to me to be a frontier scout 22. My reason for the date. It's 1903, not 1970.
No serial number given.
If that is a Colt frontier scout with a suffix F after the serial number, it was made in 1962.
1888
1899
Probably Colt
1882
about 1892
1907
1882
1903
about 1960
requires a professional to look at it