Kirby Unleashed Ad by Jack Kirby

For decades I've wondered about the art in this ad (saw it in 1971 in RBCC), wouldn't it be nice as a print, maybe get color, where's the original?, etc, etc... So, as the song goes, I still haven't found what I'm looking for, but here's the production page for the ad, the art just a photostat (Zerox, we called them), still cropped.  Dunnae if the original would change our view much, anyway, cause Kirby inked it himself