If anyone wants to go all out restoring one of the Mosport cars the door decal will need to be reproduced but from the research to date this is what they look like:

Also some cars used as parade vehicles behind the Corvettes supplied by Chevrolet used door graphics that looked like this:

Finally, a third decal for vehicles classified as "Official cars" has been verified:

Canadian Racing Drivers Assn.
OFFICIAL CAR
Grand Prix of Canada
Aug. 27

Photo: