[Roman Provincial Coinage] Hostein, Antony, and Jerome Mairat. ROMAN PROVINCIAL COINAGE. VOLUME IX: FROM TRAJAN DECIUS TO URANIUS ANTONINUS (AD 249-254). PART I: INTRODUCTION AND CATALOGUE. PART II: INDEXES, MAPS AND PLATES. London and Paris: CNG, 2016. Two volumes. 4to, original matching red cloth, lettered in silver; black cloth slipcase. xv, (1), 456 pages; 8 maps; 155 plates of coins. Fine. While spanning only six years of coinage, this volume catalogues over 15,000 coins from this pivotal period. Absolutely essential.