The Lincoln County Historical Association will showcase the folk art paintings and pottery of Lincolnton’s Kathy Richards in March and April at the Lincoln Cultural Center, 403 E. Main St. Jugheads to Vinegar Hags: The Color of Kathy Richards, will be on display in the Cochrane and Carolina Mills Galleries beginning Friday, March 9 at 6:30 p.m. with an opening reception. Richards’ artwork will be on display through April 29.