Roman Imperial Coinage, Constantius I (as Cæsar), Follis, Trier, c. 298-9, laureate and cuirassed bust left, holding sceptre over right shoulder, rev. Genius standing, holding patera and cornucopia, officina mark b in left field, star in right field, 9.09g (RIC –). Weak area at bottom of each side, otherwise good very fine, very rare £200-£260