More than 100 Navajo weavings, contemporary and antique, will be sold on Thursday, Nov. 8, at the 22nd Annual Benefit Silent Auction for the University of Colorado Museum of Natural History. This year's auction will be held at the Nighthorse Campbell Native Health Building at the Anschutz Medical Campus, 13055 E. 17th Ave. in Aurora. Buyers may begin placing bids at noon and the auction closes at 7 p.m. Weavings, including pieces from Two Grey Hills, Crystal, Shiprock, Ganado, the Burnham area and more, ranging in value from $100 to $10,000, will be available for sale.