Cooperstown inductees George Sisler and Hank Greenberg are the endorsers on these Yellow Hall of Fame Plaque postcards. Issued by the renowned institution, the keepsakes show the player bust and plaque on which the relief lettering details his incredible career feats. Sisler has signed on the front in blue ballpoint (9 strength) and on the reverse in blue fiber tip (8 strength). An accompanying envelope with which Sisler complied on an autograph request is postmarked 1969 and has Sislers return address. Greenberg has signed the front of his postcard in blue ballpoint (7-8 strength).
Individual certs/stickers from JSA