Oriental Collectibles and Numismatics Mack C. Chase Collection Shatters Records with $2.44 Million Sale of Walking Liberty Half Dollars at Stack’s Bowers Galleries September 26, 2026 rifanmuazin COSTA MESA, Calif. — Stack’s Bowers Galleries, a legendary rare coin auction firm with a history spanning more than nine decades, made waves in the numismatic community on September 3,…