Watch List notes:

The Roman Empire

Orbiana, wife of Severus Alexander. Sestertius circa 225-227, Æ 18.27 g. Diademed and draped bust r. Rev. S. Alexander and Orbiana clasping hands. C 6. RIC S. Alexander 657.
Very rare. Green patina and good very fine
Ex NAC sale 25 October 1995, 643.