Watch List notes:

MESOPOTAMIA. Carrhae. Severus Alexander, 222-235. Diassarion (Bronze, 21 mm, 6.90 g, 12 h). ΑΥΤ Κ Μ Α Ϲ ΑΛЄΞ[ΑΝΔΡΟϹ] Radiate, draped and cuirassed bust of Severus Alexander to left, seen from behind, holding shield on his left shoulder. Rev. [ΜΗ]Τ ΚΟ ΚΑΡΡΗΝⲰ[Ν] City-goddess, turreted and veiled, seated left on rock, holding grain ears in her right hand; to left, altar; [below, river-god swimming left]. RPC VI online 7888 (2 examples recorded). Extremely rare. Attractive earthen highlights. Slightly porous, otherwise, very fine.