Roderick T Williams.  New York.  American Numismatic Society, Numismatic Notes and Monographs Series, No 155, 1965. PB. xix + 141 pages + 14 plates.  150 x 230 mm. 

Combines a specialist catalogue, the reasons behind the chronology that has been developed, and a history of trhe area.

Front cover knocked and a littlee marked, the contents clean and very good.