Watch List notes:

Gaius (Caligula). AD 37-41. Æ Sestertius (35.5mm, 29.38 g, 6h). Rome mint. Struck AD 37-38. C • CAESAR • AVG • GERMANICVS • PON • M • TR • POT •, laureate head left / S•P•Q•R/ P • P/ OB • CIVES/ SERVATOS in four lines within oak wreath. RIC I 37. Even brown surfaces, area of fill and smoothing on cheek. EF.