Lot of two checks: a business check drawn on his “labor consulting” firm, SGS Associates. Business check, 8.25 x 3, filled out in another hand and signed by Gambino, payable to George Schiller for $400.00, September 14, 1961; and a personal check, 6 x 2.75, filled out and signed by Bonanno, payable to Arizona Chemical and Service Co. for $30.00, November 18, 1976. Accompanied by a certificate of authenticity signed by Rosalie Bonanno, his daughter-in-law, and a 2004 Christmas card from the family. In fine condition, with the usual cancellation holes and stamps. R&R COA.