Watch List notes:

BYZANTINE EMPIRE: Constans II, 641-668, AV solidus (4.41g), Constantinople, S-959, struck from 654-668, 3rd officina, facing busts of Constans II (left), wearing mustache and long beard, and his son Constantine IV (right), beardless, both wearing simple crown, cross in field above // cross potent on three steps, light scratches, slightly wavy flan, VF to EF.

Estimate: 300-350 USD