Original button from Grateful Dead's performance in Toronto in 1967. The BG-74 poster, which is the show this pin was created for, is one of the most expensive and famous posters in the Bill Graham series. The item "1967 Grateful Dead Jefferson Airplane Toronto Pinback poster Graham bg button" is in sale since Sunday, July 15, 2018. This item is in the category "Entertainment Memorabilia\Music Memorabilia\Rock & Pop\Artists G\Graham, Bill\Other Bill Graham Memorabilia".The seller is "philosophy2" and is located in Glenview, Illinois. This item can be shipped worldwide.