Don't know the value, but that Colt scout was made in 1958.
value depends on overall condition.................
100-400 USD
550.00 in good contion
50-400 usd
Your colt frontier scout K model was made in 1961.
50-250 usd
You must call Colt with the serial number to find out.
Your Colt K model frontier scout .22 pistol was made in 1964.
That serial number is for a Colt Frontier Scout K Model chamberd in 22LR.
No such Colt model
The records I have, show a Colt frontier scout .22 Q model with that serial number was made in 1959.
About $550