The 1959 Colt frontier scout pistol, serial number 48899F is valued at $900 in excellent condition. In fair condition, it is valued at $400.
Your Colt K model frontier scout .22 pistol was made in 1964.
about 1958
From the records I have, the Colt frontier scout .22 Q model was produced in 1967. (210500F-223199F) about 1967
To answer the question we'll need to know more about this pistol. Is it a revolver or a semiauto? What model and caliber? I found a Colt frontier scout .22 with that serial number made in 1962.
Could not find a Colt frontier scout with serial number 56599P, but a Colt frontier scout with serial number 56599F was made in 1959.
50-250
value depends on condition
The Colt Frontier Scout with that serial number was made in 1965.
Your frontier scout was made in 1963.
Your colt frontier scout was made in 1968.
No serial number provided.
Colt frontier scout with that serial number was made in 1962 per proofhouse.com