1893 World's Columbian Exposition, Chicago Illinois (So-Called Dollar) HK-155, Type II (small letters) Brass, 37mm, plain smooth edge.  Obverse:  Edifice; on ribbon above, around U.S. Govt. Building; below edifice, on ribbon, Width 351 ft / Length 421 ft, Area 3.3 Acres.  //  Reverse: Across, World's / Columbian / Exposition / Chicago / 1893; above, around Treasury Department; below all, around United States Mint Exhibit.  ANACS MS60, light original patina.