UNION – The McHenry County Historical Society will host an antique appraisal event from 1 to 4 p.m. Saturday at the museum, 6422 Main St., Union.

Antiques will be appraised by the following professionals:

• Barb Peterson, Prairie Grove – Dolls: Peterson owns the Attic Window & Heirloom Doll Hospital in Walworth, Wis., and is a certified “doll doctor.” She also is a judge on the national level for the United Federation of Doll Clubs. Peterson said although the doll resale market has suffered in recent years, rare character dolls and dolls from the 1950s can be worth thousands of dollars.