Watch List notes:

Helbing, Otto, Nachf.. Münzen und Medaillen. Verkaufs-Katalog XIX. (München, no date (before 1935)). 32pp; 1020 lots. 26 x 20.5 cm Fixed price list of 40 Greek coins;106 Roman coins; rest early modern and modern coins and medals, indexed. Fine condition,   .

Duplicate from the Library of the American Numismatic Society.