Commemorates the 100th Anniversary of the Louisiana Purchase. “Louisiana Purchase Exposition” was the title of the 1904 St. Louis Missouri World’s Fair. 2 3/8″ high x 1 11/16″ wide. Iron body. Brass shackle. Warded. Corrugated key. “E. T. FRAIM PAT. PD.” is stamped on the obverse of the shackle. The reverse of the case is the same as the obverse.Patent # 746945.