(Frantic) Fran Tarkenton takes charge with the offered 1976 Topps Football #500 progressive proof complete set of (10) cards. These prototypes of the Minnesota Vikings Hall of Famer were each encapsulated by pioneering authenticator ACU-Card, Inc. Includes: #1 Blue-Black, #2 Blue-Red, #3 Blue-Red, #4 Yellow-Red, #5 Blue, #6 Yellow-Blue, #7 Black, #8 Red, #9 Red-Black and #10 Yellow. Opening Bid $200.