Description: Indianapolis Motor Speedway Postcard Item Specifics: Postcard. Postcard Type: Modern Chrome Postcard (ca. 1939- Present). Card Dated: PM 1972. View Location: Indianapolis, Indiana. View Subject: Aerial View of The Indianapolis Motor Speedway. Publisher: Indianapolis Motor Speedway Corp Series/Number: SP.6 Size: Standard. Condition: Very Good Special Attributes: Curteichcolor