An additional date was added after the poster was printed and most surviving posters have handwritten dates in the area below "Grateful Dead". This poster is one of the few original posters with no handwritten dates. The poster measures 13 3/4 x 18 inches. See Condition section for details.Grateful Dead Euphoria Ballroom Concert Poster 1970 Art by San Andreas Fault. This is a Grateful Dead original 1st printing concert poster for the July 14, 1970 performance at the Euphoria Ballroom in San Raphael. Opening for the Dead was New Riders of the Purple Sage and Rubberduck Company. See Condition Section for details. This is a difficult poster to find, so don't pass it up. Auctiva Offers Free Image Hosting and Editing. Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva. The item "Grateful Dead Euphoria Ballroom Concert Poster 1970 Art by San Andreas Fault" is in sale since Thursday, December 07, 2017. This item is in the category "Entertainment Memorabilia\Music Memorabilia\Rock & Pop\Artists G\Grateful Dead\Posters". The seller is "cgallery2" and is located in San Diego, California. This item can be shipped worldwide.