1893 World's Columbian Exposition, Chicago Illinois (So-Called Dollar) HK-154, Type I (large letters) Brass Gilt, 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 AU55, bright gilt!