Hi Gang:
Here is a Willie Mays card from the obnoxiously rare 1979 Jerry Jonas set.
The set is listed in the SCD Standard Catalog but most collectors have never heard of much less seen any cards on this set.
There have been a few threads here on Net 54 about them. See:
https://www.net54baseball.com/showth...ighlight=Jonas
and there is more info here:
https://1978theyearitallbegan.blogsp...entations.html
This is one of those " Try to find another" type of cards. You can't!
$350 o.b.o. + postage PP F&F