The front panel and rear cross sill has corresponding holes too. If it is all missing then you can use whichever one you want.
Just to be a smartalek, I'll say the date was June 30, 1951.
1953 Chevrolet 3600 Fried Green T'mater (Vern) In the Stovebolt Gallery Caution: Political Statement Man who runs in front of car gets tired, man who runs behind car gets exhausted.
