indianapolismotorspeedway.com:
Centennial Commemorative Stamp Unveiling
indianapolismotorspeedway.com:
Centennial Commemorative Stamp Unveiling
indianapolismotorspeedway.com:
United States Postal Service Indy 500 Stamp
indianapolismotorspeedway.com:
Centennial Commemorative Stamp Unveiling
indianapolismotorspeedway.com:
View of the commemorative stamp featuring the Marmon Wasp