Mike Munchak Autographed Houston Oilers Goal Line Art Card Black HOF 12521 This is a limited edition of 5000, Goal Line Art card which has been personally autographed by Mike Munchak in black sharpie. From the original done by Gary Thomas, card measures 4x6 and is mint condition.This is mint with no smears and was signed at the Tri-Star sports cards show on January 22, 2011 and includes acertificate of authenticity from Denver Autographs.