The 1st printing of the poster pre-dates the concert and is on paper stock which show horizontal rows on the reverse. It measures 14" x 20 5/8".
The 2nd printing poster is not on paper which contains horizontal rows. It contains a small, irregular white shape in the turquoise area between the right eye's lashes and green line directly below the word "Bowl". In addition, there is a 1/16" wide dot screen running vertically up the right border. It measures 14" x 20 1/2" and was printed after the concert.