The 1991 Upper Deck Denny’s Grand Slam Hologram cards were so popular that the partners doubled down on the promotion the following year with this awesome teaser ad that I pulled from the August 1992 edition of Baseball Cards Magazine.
Denny’s then ran this ad the next month, showcasing the cards.
Denny’s partnered with Upper Deck for six total releases (1991-1995) before switching to Pinnacle for their 1996 and 1997 sets.