DALLAS, TX.- The most valuable animation cel in the world, and one of the most important Mickey Mouse collectibles in existence – The Band Concert Production Cel Animation Art, Walt Disney, 1935 – will be part of Heritage Auctions Feb. 24-25 Signature® Comics and Comic Art Auction. It is estimated at $100,000+. It is thought to be the only production setup in existence from the first Mickey cartoon that features Mickey and the entire band. “This cel is, in many ways, the ultimate Mickey Mouse item a collector could ever hope to acquire,” said Barry Sandoval, Director of Operations of the Comics category at Heritage. “The Band Concert was the very first theatrical Mickey Mouse cartoon in color, and has long been cherished by Disney fans worldwide.” The cel comes to Heritage via the Kerby Confer Collection, one of the finest groupings of key Disney related art ever assembled. Confer, a well-known Maryland radio executive, has long be