Watch List notes:

Walker, D.R. The Metrology of the Roman Silver Coinage. Parts 1-3. (Oxford, 1976-8). BAR Supplementary Series 5, 22 and 40. Part I, Augustus to Domitian; Part II, Nerva to Commodus; Part III, Pertinax to Uranius Antoninus. 159, 120, 159 pages respectively. Printed card covers. An important work examining weight standards, chemical compositions etc.. of the silver coins of the Roman Empire. Scarce. A Nice Fine set.

From the library of an American dealer.