The 1977 Grateful Dead "Cyclops Skull" poster by Alton Kelley and Stanley Mouse is a rare and highly sought-after piece of music memorabilia. Measuring 20” x 28”, this original poster showcases the iconic Grateful Dead design in a unique and collectible format. Perfect for fans of rock and pop music, this poster captures the essence of the Grateful Dead's classic aesthetic from the 1970s. A must-have for any avid collector of music memorabilia, this poster is a timeless piece of entertainment history.