MACEDON. Thessalonica. Gaius (Caligula), with Antonia Minor, 37-41. Diassarion (Bronze, 20 mm, 8.68 g, 7 h). [Γ ΚΑΙΣΑΡ ΣΕΒΑΣ]ΤΟΣ ΘΕΣΣΑΛΟΝΙΚΕΩΝ Laureate head of Caligula to left. Rev. [ΑΝΤΩΝΙΑ] ΣΕΒΑΣΤΗ Veiled and draped bust of Antonia Minor to left. RPC I 1575A.1 (this coin). Extremely rare. Light deposits and struck slightly off center, otherwise, nearly very fine.
From the collection of J. Schmit, ex Roma E-Auction 86, 8 July 2021, 703.