Twice signed check and an outstanding photo from the catcher turned top secret American spy. Dated April 25, 1957, the National Newark & Essex Banking Co. specimen has been written entirely in his hand for $100.00 cash by Berg. Signed once at the bottom in ball-point, with matching "Morris Berg" endorsement on reverse. Both sigs are Near Mint, with the Mint 8x10'' matted and framed to 13x19".