Watch List notes:

The Roman Empire

Gaius augustus, 37 – 41. Sestertius 40-41, Æ 28.30 g. Laureate head l. Rev. Gaius standing l. on platform, r. hand extended to five soldiers with shields and parazonium. C 2. RIC 40.
Very rare. Green patina and good very fine
Ex Ars Antiqva 1, 2000, 170 and NAC 64, 2012, 2472 sales. From the Alberto Campana collection.