The 1st printing poster is on plain uncoated index and measures 14 3/16" x 21 15/16". The tiny background dots range from pink on the right to light blue on the left. This original poster was printed before the concert.
The 2nd printing poster is on high gloss stock, and the background dots are a consistent light blue throughout the poster. It was printed in a run of 1,000 after the concert on 12/14/1968.