Warren Zevon - Genius - Rare Advertising Poster 18x24 18x24 inch limited edition advertising poster. Standard frame size. Rare, out-of-print poster ships rolled in plastic, inside a hard cardboard tube. Collectible, unique gift idea. Perfect for framing, laminating, or bulletin board. Poster sizes are usually right on, but they may vary ever-so slightly. Poster is actually white. The pic is a little off.