Donald E. Stephens Convention Center Rosemont (Chicago), IL View rare coins and numismatic treasures. Buy, sell and trade with hundreds of coin dealers, attend lectures and presentations from noted numismatists, and find out what your old coins may be worth!Show HoursTuesday — 1-6 p.m.Wednesday – Friday 10 a.m. to 6 p.m.Saturday — 10 a.m. to 4 p.m. (Admission is […]