High-quality color limited edition 27 x 37.5 artist's proof lithograph featuring the Family Dog (FD 33) artwork for the Grateful Dead and Oxford Circle at the Avalon Ballroom on November 4-5, 1966, numbered AP23/50, signed in the lower border in pencil by artists Stanley Mouse and Alton Kelley. Printed on fine art paper, this officially licensed, hand-pulled lithograph was produced in 2008 in a collaboration between S2 Art Group and Rhino Entertainment. Rolled and in fine condition.