Helbing, Otto. Autktions-Katalog enthaltend Münzen und Medaillen verschieder Länder.... (München, 14 April 1913). 241 pp.; no plates. Lots 1820-6556. 27 x 19 cm. German coins and Masonic medals, indexed . Fair, cover missing, pencil marks.
Duplicate from the Library of the American Numismatic Society.