Original concert poster for Hayfever, Leaves, Grass Roots and the Grateful Dead performing for the first time at the Family Dog's Avalon Ballroom in San Francisco on May 27th & 28th, 1966. The first Dead Family Dog Avalon Ballroom show.Art by Wes Wilson and is FD-10-OP-1 in Eric King's guide. Fillmore era 60s psychedelic poster memorabilia. The item "Grateful Dead FD10 Family Dog Concert Poster Avalon Ballroom 1966" is in sale since Friday, September 22, 2017. This item is in the category "Entertainment Memorabilia\Music Memorabilia\Rock & Pop\Artists G\Grateful Dead\Posters". The seller is "w3w3w3" and is located in San Francisco, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Sweden, Belgium, France, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Mexico, New Zealand, Switzerland, Norway, Croatia.