Literatur Münzen Yeoman R.S., A Catalog of Modern World Coins, Eighth Edition, 1968, Western Publishing Company, INC. Whitman Hobby Division, Racine, Wisconsin, Gebrauchsspuren, bestoßen.
Literature - Numismatics Yeoman R. S., A Catalog of Modern World Coins, Eighth edition, 1968, Western Publishing company, INC. Whitman fad division, Racine, Wisconsin, traces of use, scuffed.