Gaius (Caligula) (37-41). Sestertius, Rome mint, 37-38 AD. Obv. C CAESAR AVG GERMANICVS PON M TR POT. Head of Caligula, laureate, left. Rev. S P Q R P P OB CIVES SERVATOS. Legend in four lines in oak-wreath. RIC I (2nd ed.) 37. 20.80 g. 33.50 mm. Smoothed surfaces. VF.