Actes du 9ème Congrès international de numismatique, Berne, Septembre 1979 (A.C.I.N.) = : Proceedings of the 9th International Congress of Numismatics, Berne, September 1979 (Association internationale des numismates professionnels, 1982)
Series numbering corrected by label mounted on t.p.
English, French, German and Italian.
Sponsored by the International Numismatic Commission and the International Association of Professional Numismatists.