kirbymuseum: Kobra pencil art by Jack Kirby. possibly part of the presentation. The Kirby Museum and TwoMorrows have very few photocopies or scans of Kobra pencil art, or even un-retouched ink art, so enjoy this rare image. Posted originally by David Lawrence to the Jack Kirby Fan Group on Facebook. If you know of any Kobra art by Kirby or Kirby/Berry, please contact us! KING.