1978 Grateful Dead Concert Poster. Designed by Alton Kelley. At the Rainbow Theater in London. The product is a rare and collectible original concert poster featuring the Grateful Dead from their 1978 AOR 4.239b tour in London. This piece of music memorabilia captures a historic moment in rock and pop history, showcasing the iconic band in their prime. With its unique design and significance in the world of music, this poster would make a valuable addition to any fan’s collection.