Watch List notes:

CILICIA. Aegeae. Severus Alexander, 222-235. Tetrassarion (Bronze, 31 mm, 17.49 g, 11 h), CY 275 = 228/9. AYT K M AYP CЄYH[POC AΛЄΞANΔPOC] Laureate, draped and cuirassed bust of Severus Alexander to right, seen from behind. Rev. AIΓ/AIωN / ЄOC with uncertain legend around. Haymann 159b (also double struck). Extremely rare, perhaps the second known example. Porous and the reverse somewhat double struck, otherwise, very fine.