This annual show is back for the 23rd year. Open to the public, this event features stamps, picture postcards, supplies, special show postmark and envelopes. There will also be door prizes and a youth area. Parking, admission and appraisals are all free, so take part in a unique hobby filled with history and fun. Clarion Hotel and Conference Center, 101 Fantasy Harbor Drive. Saturday, 10 a.m.–5 p.m.; Sunday, 10 a.m.–4 p.m. Free. (843) 347-0087, www.stampshows.com