Catálogo de Monedas › Lista de Casas de la Moneda (Año: 1978, Valor Facial: 20)

Belgrade Mint, Yugoslavia (Serbija) (1)Berlin State Mint (Staatliche Münzen Berlin), Berlin, Germany (A Mint Mark) (1)Franklin Mint, Exton, PA, U.S.A. (2)Istituto Poligrafico e Zecca dello Stato, Roma, Italy (2)Kathmandu Mint, Kathmandu, Nepal (1)Markazi Mint, Tehran, Iran (1)Mint of Poland PLC (Mennica Polska), Warsaw, Poland (6)Monnaie de Paris (A), Paris, France (3)Royal Canadian Mint, Ottawa, Canada (2)Royal Mint, Llantrisant, Wales, Great Britain (1968~Today) (3)Valcambi S.A., Chiasso, Switzerland (2)Ninguno