Watch List notes:

PHRYGIA. Cibyra. Severus Alexander, as Caesar, 222. Assarion (Bronze, 22 mm, 3.93 g, 8 h). Μ ΑYΡ ΑΛЄΞΑΝΔΡΟС Bare-headed draped and cuirassed bust of Severus Alexander to right, seen from behind. Rev. ΚΙΒYΡΑ/ΤΩΝ Bull recumbent to right, head facing. RPC VI 5410. Very rare. A very interesting issue for the young Caesar. Minor areas of weakness, otherwise, very fine.