Part 1 of 3 in Billings, Mont., features a 19th-century Chinese jade brush washer; a 1752 English silver coursing trophy; and a 19th-century Arthur Brown watercolor scene of Yellowstone National Park that's valued at $75,000 to $125,000. Also: the we... (more)apons used at Custer's Last Stand are discussed during a visit to the Little Bighorn national monument.