Wondering if that family heirloom is all it's cracked up to be? Check it out at the Friends of Missoula Public Library's 4th Annual Appraisal Fair, an Antiques Roadshow-style event with Antique and Collectible experts on everything from guns to marbles. Appraisals are $5 each, with a limit of three. 1:00 p.m. to 4:00 p.m.