Cleaning and preservation of coins and medals
By: by Gerhard Welter ; including Paper money restoration and preservation by James J. Curto.
Publisher: S. J. Durst; Brand: Sanford J Durst; Sanford J Durst
Published: 1976
Place of publication: New York
Language: eng; ger
Number of pages: 117
Subjects: Precious metals.; Coins -- Cleaning.; Coins -- Preservation.
Notes: Bibliography: p. 115.
Translation of Die Reinigung und Erhaltung von Münzen und Medaillen.
Includes index.