1-Page letter on "The American League of Professional Baseball Clubs" letterhead and dated December 10, 1963. Letter is addressed to James Campbell, GM of the Detroit Tigers and refers to Cronin's approval and return of the 1964 contracts which included: Edward G. Katalines - Chief Scout; Wayne blackburn - Coach; Patrick J. Mullin - Coach; Frank Overmire - Coach and; Jack Homel - Trainer. Cronin's signature is in NRMT blue pen. Comes with PSA/DNA Certificate of Authenticity.