The 351K was made from about 1960 to 1970.
Without a sn, unknown.
No such Colt model
No published sn data
Date of Mfg. is 1947
1922
1958
your winchester model 70 was made by winchester in 1972.
Your marlin model 39A was made in 1964.
50-500 usd
1966
Serial number indicates a mfg date of 1895.
The gun was made in 1932