Please scroll down for more photos. 1971 Robert Lewis Madstar Comic Cover Art Poster. Fresh from a Dallas Estate comes this poster celebrating The Issue of Madstar by Steve Hickman. This example features an astronaut serenading some creatures on a foreign planet with his rocket in the background. This is not a comic book but the artwork for the cover of an issue of the comic book. It is a vintage poster, not original art. The image is in good condition but has some stains and damage along the margins. It has some writing on the back that reads “Robert Lewis 6412 Dorset Drive Alexandria Virginia 22310″. This poster measures approx. 20 x 14 inches. Please see pictures below and ask questions if you have any. All photos are of actual item offered.