Grateful Dead And Big Mama Mae Thorton Original Concert Poster. Original Concert Poster From The Bank in Torrance, California. CONDITION: PLEASE SEE THE PICTURES.THE ITEM IN THIS LISTING IS FROM A RECENT ACQUISITION THAT WE MADE. WE RECENTLY ACQUIRED A VERY LARGE COLLECTION OF VINTAGE ROCK MATERIAL. THANK YOU AND HAVE A NICE DAY. The item "Grateful Dead And Big Mama Mae Thorton The Bank In Torrance CA CONCERT POSTER" is in sale since Wednesday, January 20, 2016. This item is in the category "Entertainment Memorabilia\Music Memorabilia\Rock & Pop\Artists G\Graham, Bill\Posters". The seller is "bluegreenusa" and is located in Tarzana, California. This item can be shipped to United States.