Witness Jack Davis’ art draft for his February 14-20, 1981 WKRP TV Guide cover. Ink and watercolor on illustration board, measuring 20 by 14.5+ inches. Sold for “best offer” on 1/22/19 (opening bid had been $625).
This was only used for the US cover. The Canadian cover, interestingly enough, was also a WKRP cover, with Richard, Gary, and the Silver Sow.