Watch List notes:

Macedonia, Thessalonica. Gaius Caligula. A.D. 37-41. Æ (22 mm, 9.48 g, 5 h). Laureate head of Gaius Caligula left / Veiled, diademed and draped bust of Antonia left. RPC 1573. Black patina. Nice portrait of Caligula. Good very fine but softly struck on the reverse.