This was organised and held in London by the Royal Numismatic Society.  106 papers of the 233 papers given at the Congress are published here. 
Ian A Carradice, et Al. (editors). 1986, 504pp + 68 pl.  167 x 248mm.
Ancient Greek, Celtic, Roman, medieval and modern coins were covered, and medals.  A good read that will stimulate thought.

Almost as new, with the ex-libris of Georges Le Rider on the front pastedown.