Host Mark L. Walberg and appraiser Francis Wahlgren beckon ANTIQUES ROADSHOW fans to Baltimore, Maryland,'s Edgar Allen Poe House and Museum - where Poe composed some of his first short stories - to learn the tell-tale details that determine the value of Poe literary works. At the Baltimore Convention Center, ROADSHOW appraisers usher in unique and personal finds, including a World Championship jacket worn by Colts legend Johnny Unitas; a rare 18th-century embroidered English men's vest; and a painting - nearly stepped on while its owner rummaged through an attic - by renowned impressionist landscape artist W. L. Metcalf, valued at $150,000.