http://www.myfonts.com/fonts/jnlevine/return-pass/
(modify the A and stretch it)
or Princeton if you stamp on it.
My son is a certified tractor expert and he says the Case decals are still out there, but you'd have to buy old stock.
And if you find out where to get them, he wants to know.
Even tho Mom could make them.
Love....Jill