Beginning Monday, NBC will auction memorabilia from its shows with a portion of the proceeds going to the United Way. This first group of items will be available for bidding through December 3rd. Fans of Heroes will be delighted to know three pieces of Tim Sale's original artwork will be up for grabs. Portrayed as glimpses into the future by artist Isaac Mendez, these works including the 9th Wonder black & white comic book, a painting of Niki pounding on a door, and a painting of Sylar standing over dead Isaac.