Thanks to the Sega Freaks trading cards a recent Twitter post from Masato Nishimura, we've been able to ascertain the original source of most of the art seen in Sonic the Screen Saver and Sonic Jam. (Unfortunately, it seems that the obscured Harmony #112 had art that wasn't featured in Screen Saver or Jam.) The remaining illustrations come from the incredibly rare SegaSonic 1993 Calendar and the Sega World 1995 Calendar. Each calendar had six images (two months per image) based on a theme. The 1993 theme was Sonic and friends riding vehicles. The 1995 theme was Sonic and friends hanging out at Sega World (unfortunately, one of these is missing from Screen Saver/Jam). That just leaves six Screen Saver/Jam images unaccounted for - the "globe" images. We know these weren't used on Harmony covers from 1992-1994, and it seems that the Sonic covers were dropped in 1995. But six illustrations, sharing a theme, including seasonal images (beach holiday and Christmas) - this strongly suggests that they came from a 1994 calendar. Has anyone seen any evidence of such a calendar?