Roman Imperial Coinage, Caligula [Gaius] (37-41), Sestertius, Rome, 37-8, laureate head left, rev. s p q r p p ob cives servatos in four lines within oak wreath, 23.85g/5h (RIC 37; BMC 38); Nero, Sestertius, Rome, 62-8, laureate head right, globe at point of neck, rev. view of triumphal arch, emperor driving quadriga escorted by Victory above, statues of Pax, Mars and two soldiers below, 22.78g/6h (RIC 432; BMC 329) [2]. Fair to fine, first worked in fields £40-£50