Watch List notes:

Gaius (Caligula, 37-41). Æ Sestertius (36mm, 23.83g, 6h). Rome, 40-1. Laureate head l. R/ Gaius standing l. on daïs, extending r. hand in gesture of address; to r., a sella castrensis (camp stool); in front of him stand five soldiers r., all helmeted, holding shields and parazonia; four aquilae behind them. COH in exergue. RIC I 48. Tooled, VF