Hey, do a search for usvta on the forum. There is a guy who makes those exact decals.
Carl Seils
[email protected]
Makes a great product, make sure you are very specific in your description of what you want. Don't be afraid to email several times before you get exactly what you want.
He has the sheet of vintage sponsor decals, good value. i bought one sheet and have done 4 cars with it.
John