"American Dance Festival- 25 Years" by Artist Unknown, Unsigned Offset Lithograph printed in 2002. The overall size of the Offset Lithograph is 12.25 x 34 inches. The condition of this piece has been graded as B: Very Good Condition, with signs of handling or age. Here is some supplemental information about the Offset Lithograph: This commemorative poster celebrates the 25th anniversary of the American Dance Festival (ADF) held at Duke University in North Carolina. ADF, known as one of the most prestigious modern dance festivals in the world, has been a driving force in promoting innovation and excellence in contemporary dance. Since moving to Duke University in 1977, the festival has brought together legendary choreographers, dancers, and emerging talent from across the globe.