I think ASQ may be on to something, Pop! :O:

My first racing t shirt was from the 1981 Knoxville Natioinals. My dad and Allan Wilkinson brought it back to me. I think that Knoxville was still a non wing race then. (?)
Joe Monroe

Mine was a 1979 Williams Grove National open Tee Shirt. I still have it stored in a sealed plastic bag in my closet.

World of outlaws shirt, bought by my Dad for me at Devils Bowl in Mesquite Texas in 1978.

You're right. K'ville was nonwing at that time.

Smokey

8 years old.Brad kuhn T-shirt. My uncle worked with brads dad at "road way" and for my 8th birthday my uncle got a me a shirt that he got from brads dad.I wont ever forget that shirt.I still have it.But its a little small.

I believe my first racing T-shirt was from The Copper World Classic early 1979....Copper World #3, I think.