Watch List notes:

Gaius, called Caligula (37-41), As, Rome, AD 37-38; AE (g 11,34; mm 28; h 6); C CAESAR AVG GERMANICVS PON M TR POT, bare head l., Rv. VESTA, Vesta seated l., holding sceptre and patera; in field, S - C. RIC 38; C 27.
Good very fine.