High-quality color limited edition 27 x 37.5 artist's proof lithograph featuring the Family Dog (FD 28) artwork for the 13th Floor Elevators and Quicksilver Messenger Service at the Avalon Ballroom on September 30-October 1, 1966, numbered AP15/50, signed in the lower border in pencil by artists Stanley Mouse and Alton Kelley. The iconic 'Zebra Man' image was appropriated from a 1954 Life Magazine cover. 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.