Watch List notes:

Gaius (Caligula). AD 37-41. Æ Halved Sestertius (19mm, 13.44 g, 6h). Rome mint. Struck AD 40-41. Pietas seated left, holding [patera in right hand], resting left arm on small draped figure standing facing on basis / Gaius standing left, holding [patera over garlanded altar; victimarius holding bull for sacrifice] and attendant holding a patera standing on either side; in background, hexastyle temple of Divus Augustus with pediment decorated with [sacrificial scene and quadriga, Victories, and figures of Romulus and Aeneas] along roof line. RIC I 51. Fine, rough brown and green patina.