this guy is a spin master!! here is dialogue from an air cleaner decal sale.
Q: I noticed a question asked by a potential buyer. You don't mention if GM backed this decal. If this is an officially backed GM decal, please e-mail me immediately, I have never seen such an item before. I collect authentic and vintage GM merchandise. Please let me know the origin of this decal. Thank you. Signed, Mean Mean Fathom Green Feb-19-08
A: Hi,,hows it going Mean Mean Fathom Green with the 69Z...Please understand the nature of this item with all clarity before you bid.This is the first release never offered before to the public.
Only 5 of 8 known to exist.
GM has authorized the next addition to come.
Collectors are welcome...Thanks and good luck..