Karl Mecklenburg Signed Denver Broncos Throwback 1966 Speed Mini Football Helmet (JSA) 8x10 Photos This officially licensed full-size football

This officially licensed full-size football helmet has been personally hand signed by Puka Nacua and authenticated by a top 3rd party authentication company

This custom stitched baseball jersey has been personally hand signed by Kevin Youkilis and authenticated by a top 3rd party authentication company

Card #468 - Bob Sebra RC

Card #460 - Lee Stevens

A 11x14 photo autographed by Dwight Gooden and Darryl Strawberry and authenticated by JSA

Karl Mecklenburg Signed Denver Broncos Throwback 1966 Speed Mini Football Helmet (JSA) 8x10 Photos This officially licensed full-size footballThis officially licensed mini football helmet has been personally hand signed by Karl Mecklenburg and authenticated by a top 3rd party authentication company. All autographed sports collectibles are limited! Order now to add this timeless piece of football memorabilia to your collection before its gone. Speed mini NFL football helmet autographed by Karl Mecklenburg and authenticated by JSA Includes a Witnessed Protection Program tamper proof