1991 Topps Variations Dennis “Oil Can” Boyd #48 & Bert Blyleven #615. Two key variations of this historic Topps set. Includes the Oil Can partial hidden baseball banner & pink painted banner over Boyd’s glove wrist. The HOFer Blyleven variations include different size “MAJ. LEA. TOTALS” on back (see scans). Fun, unique collectibles from 33-year-old set.