In 1993, SkyBox inserted redemption cards into packs of their Simpsons card production that allowed holders to redeem the piece for a Groening sketch card. These redemptions were limited to 400 copies, with the sketches being issued in 1994.
Recognized as some of the earliest… pic.twitter.com/tOWoobqCEu
— Beckett Collectibles (@beckettcollect) December 13, 2024