the Family Dog series, as well as the most recognized image ever used by the Grateful Dead. The central image is a drawing done by Edward Joseph Sullivan, a late 19th and early 20th century artist. Sullivan created this drawing to illustrate one of the quatrains of the Rubaiyat of Omar Khayyam. Mouse and Kelley added the color, as the original drawing was in black and white. The resulting poster has lived on through time and has increased in value at a dramatic pace. Since most of these ...