1-1000 USD depending on exact configuration, overall condition and accessories.
Your colt was produced in 1971.
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
Usually more accurate than the shooter
No such weapon made.
1976
Impossible to answer without a serial number.
about 1971
Made in 1975.
you will have to call Colt. the sn you list does not follow the standard numbering procedure.
50-275 usd
If the serial numbers starts with a "G", you have a Colt Peacemaker Buntline. The serial number you list has to two more numbers than it should have. If the sn is G62260 - it was made in 1973 If the sn is G26028 - it was made in 1971 A New Frontier Buntline would have NF in the serial number.
Your Colt K model frontier scout .22 pistol was made in 1964.