Interesting baseball content in letters with mailing folds and with 2 of 3 original envelopes.
William Harridge: 3/30/42 TLS on American League stationery (VG, "7" signature, PSA/Spence auction LOA, new Auction LOA from JSA) addressed to Detroit Tigers GM Jack Zeller.
Casey Stengel: 8/21/64 appearance-request response (EX, "9" signature by Stengel, message written in another hand, Full LOA from PSA/DNA). Accompanied by the original envelope.
Joe Sewell: 11/12/71 autograph-request response (VG-EX, "8" signature, PSA/DNA sticker/cert) that reads, "Nice of you to remember we old fellows. Most of us seem to be of the forgotten group. Wish I had a picture, but haven't. If you find one send it to me. I will be glad to sign it." Accompanied by an additional Sewell signature on the original envelope.