Redrock,
These were made from about '34-'35 to '50's From memory.
Not serial numbered and several production changes . Including cocking, bolt configuration, sights , etc.
Made from 1935 to 1937. In Nov 1937, the M69 was superseded by the M69A. the short production run makes the M69 much less common than the M69A.
https://en.wikipedia.org/wiki/Winchester_Model_69