Quote Originally Posted by Bill Hollinger View Post
Is it possible these bayonets were produced by the main contractor for foreign ally nations and therefore wouldn’t need the DOD acceptance stamp?
Evidence is coming out that the bayonets were made as late as 1976 under US Army contracts for sale to the Greek government and that the US Army had discontinued the use of the DSA stamp ca. 1965-67.

See Accessories and M5-A1 Bayonets and the DOD Acceptance Stamp question:a suggestion - CMP Forums