Caligula (AD 37-41), Gaius called Caligula (37-41), Sestertius, c. 37-8, c caesar avg germanicvs pon m tr pot, laureate bust left, rev. s p q r p p ob cives servatos in four lines within oak-wreath, 28.36g/6h (RIC 37; MIR 3, 12-14; BMC 38; CBN 50; C 24). About extremely fine, green-brown patina (£2,500-3,000)