The Costello Collection is organized by primary site (Donner Summit). The materials found from this work camp site contain fragments of bottles of medicine/alcohol, opium parapherealia, metal wok scraps, buttons, ceramic food storage containers, syringe, game pieces, and Euro-American ceramic. The collection contains different glazes and patterns on the Chinese ceramic materials such as Chinese Brown Glaze Stoneware, Double Happiness, Bamboo, Celadon (Wintergreen), and Four Seasons. This collection also consists of one whole projectile point.