Posted By:
Bob FiskMarc,
The Standard Catalog says that two of the three Guidry's printed were destroyed when Topp's deal with Pepsi fell through. As far as I know, there are at least three of the rest of them (unless the whole story is bogus).
Bob
Since you mentioned the '68 3-Ds, I'd have to add the Brooks Robinson 3-D prototype to the list of the rarest post-war cards.