National League of Professional Baseball Clubs business check, 8.25 x 3, filled out in type and signed by Giamatti, “A. Bartlett Giamatti,” payable to Greg Bonin for $910.00, April 3, 1987. In fine condition, with two vertical folds, one passing through small portion of signature, and light show-through from stamps. Pre-certified Steve Grad/PSA/DNA and RR Auction COA.
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