This poster is also known as FDD003.
The poster was printed before the concert and measures 14" x 20". The skull has a bare forehead and there are no ticket outlets listed.
There is a very rare 1st printing A variant that bears "Grateful Dead" on the skull's forehead and lists Denver ticket outlets in the bottom margin. It also measures 14" x 20". It was printed before the concert and posted locally in Denver.