I'm gonna guess it's earlier than the 1949 71NA they have on their site. HERE. That's based on the M in yours being before N in the alphabet.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
