Watch List notes:

Gaius (Caligula), with Agrippina Senior. AD 37-41. AR Tetradrachm (24mm, 14.51 g, 12h). Antioch mint. Dated RY 3 (AD 38/9). ΓAIOY KAI[ΣAPOΣ ΣEBA Γ]EPMA •, laureate head of Caligula right / AΓPIΠΠE[INHΣ AN]TIO • MHTPO •, head of Agrippina Senior right, with braided hair; Γ/ET (date) before. McAlee 225; Prieur 66; RPC I 4167. Toned, faint traces of smoothing in obverse field. VF.

From the Peter J. Merani Collection, purchased from Kirk Davis, January 2006. Ex Triton VIII (11 January 2005), lot 789.