Watch List notes:

Gaius (Caligula). AD 37-41. Æ As (28mm, 11.09 g, 6h). Rome mint. Struck AD 37-38. Bare head left / Vesta seated left, holding patera and scepter. RIC I 38. VF, green and brown patina, areas of fill, smoothed and tooled.

From the Olav E. Klingenberg Collection. Ex Classical Numismatic Group Electronic Auction 271 (11 January 2012) lot 414.