Elvira & Vladimir Clain-Stefanelli.  Papers 31-33 on Numismatics. Published by the United States National Museum, Smithsonian Institution, Washington DC, USA. 1970  HB (red cloth, with black-lettered spine and embossed museum seal on the cover). 278 pages. Illustrated throughout with many hundreds of b&w photographs. 
This is a special hardbound collected edition of three important papers 
31 History of the National Numismatic Collection.
32 Numismatics - An Ancient Science, a Survey of its History. 
33 Italian Coin Engravers since 1800.
204 x 276mm.  No dj (as published). Cover a little marked, lower corners bumped, otherwise internally a bright very good clean example. 

Collections and their development.  Italian art medals and their engravers Gold sovereigns in the museum collection Japanese gold coins.