The R prefix is 1958. Nice rifles, aren't they?
Your marlin golden 39A mountie with the serial number you provided was made by marlin between late 1960-august of 1961.
The letter U prefix to your serial number indicates that your Marlin model 39a golden mountie was made by marlin from 1960-aug.1961.
I can say that your Marlin model 39a golden mountie was made from 1953-1972.With the serial number that you have provided,yours was made in the year 1971.
your marlin 39A was made in 1965.
1967
1957-1958.
1957-1958.
1983
Manufactured 1964
The prefix letters AC indicates that your Marlin model 39a Mountie was made in the year 1967.
your marlin model 39a was made in 1960.
The V prefix to the serial number dates your marlin to 1961-aug.1962.