Dead & Company Red Rocks Poster Nathaniel Deas SIGNED 2021 Morrison CO AP /80. The item "Dead & Company Red Rocks Poster Nathaniel Deas SIGNED 2021 Morrison CO AP /80" is in sale since Saturday, November 13, 2021. This item is in the category "Entertainment Memorabilia\Music Memorabilia\Rock & Pop\Artists G\Grateful Dead\Posters". The seller is "cards-and-trending-finds" and is located in Springfield, Illinois. This item can be shipped worldwide.