1904 Louisiana Purchase Exposition Commemorative Medal. Bronze. 70.3 mm. x 71.2 mm, shield. By Adolph Alexander Weinman. Krueger-14. About Uncirculated. Obv: Liberty enveloping nude girl in the folds of an American Flag. Rev: Eagle with outspread wings perched on a cartouche inscribed COMMEMORATIVE MEDAL / LOUISIANA PVRCHASE / EXPOSITION, shell and dolphins below. Weinman would later adopt this representation of Liberty for the design of his Walking Liberty half dollar. From the Richard Jewell Collection.