This unusual ad appears to include an M-38A1.  It also shows a CJ-3B, but not a CJ-3A, so my guess is 1953.

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“The actual ad you are buying is the one pictured above. Please look at it closely and ask any questions you want.
These are advertisements that are carefully removed from vintage magazines – please read the full description and ask any questions if you are unsure of anything.
You are buying the advertisement, not the product in the advertisement.
Original 1 page print advertisement, measures approximately 8.5″ x 11″. (Not a reprint or reproduction, all of my items are originals). These ads are from various publications and are all vintage – no reprints or reproductions ever.”