PRISTINE MINT MEANS ABSOLUTELY FLAWLESS. Also wooden sheet sent to prevent any possible bending. Also a sheet of masonboard so it cant break. The item "Grateful Dead 1980 poster skelton over Warfield Theatre San Francisco MINT" is in sale since Thursday, August 11, 2016. This item is in the category "Entertainment Memorabilia\Music Memorabilia\Rock & Pop\Artists G\Grateful Dead\Posters".The seller is "chicaboommelrose" and is located in Los Angeles, California. This item can be shipped worldwide.