Watch List notes:

Orbiana, wife of Severus Alexander, Sestertius, Rome, AD 225; AE (g 25,62; mm 33; h 1); SALL BARBIA ORBIANA AVG, Diademed and draped bust r., Rv. CONCORDIA AVGVSTORVM / S C, Severus Alexander standing r., holding role and clasping hands with Orbiana, veiled, standing l. RIC 657.
Rare, green patina and large flan: about extremely fine.