The Egg style sticker that Dan posted says, Hi-Performance Cars not Hi-Performance Parts, like the originals we have.
While many have told me they have seen these on conversion cars, I never have. I don't know if they are vintage or not.
So I can't say for certain.
We reproduce several types of stickers, including the egg, the crest, and the oil change stickers. We use all these stickers on our new cars. While a few crooks sneak in the mix, we are the only entity authorized to reproduce Nickey stickers of any types.
Below are some examples of our reproductions:
