Super Dirt week 1978 SCHAEFER 100 Calendar Tobias memorial issue

Description

Super Dirt week 1978 SCHAEFER 100 Calendar Tobias memorial issue.
There is no writing on the calendar. Photos on it include: Balough, Tobias, Brenn jr, Welty, Lazaro, Beavers, Hulbert, Bottcher, Cronce, Reutimann, Felty, Brightbill, J Johnson, Leckonby, A Johnson, Hager, Iulg, Gollub, Hauer, Horton, Lape, Corellis, DeSantis, Delmolino, Treichler, Collins, Cozze, Malzahn, Coon, and Cagle.
There are also a lot of racers whose birthdays are listed on the calendar.