Tendril-like letters twined about a heart, a frequent Griffin motif used here as a symbol of brotherhood and life source, advertised Big Brother, an abbreviated reference to 'brotherhood', and Santana at the Fillmore West.
The 1st printing poster was printed before the concert. There is a significant deal of steady variation in the blue background throughout the print run, which ranges from bright turquoise to dark blue. It measures 14" x 22".
The 2nd printing is on smooth glossy stock and has a Wolfgang's Vault notation in the lower right hand margin (not our watermark as seen in the image). It was printed in 2008 by the Bill Graham Archives LLC in a 500 copy run. This reprint measures 20 3/8" x 32 1/4".