Watch List notes:

Byzantine Empire (Constantinople mint, 8th officina), AV solidus, Constans II and Constantine IV (641-668 AD), struck 654-659. MIB 28; Sear 960. 4.36 grams. Crowned facing busts of Constans and Constantine, each wearing chlamys; cross above / Cross potent set on three steps. Lustrous AU-, nice full details, the reverse slightly off-center.

Estimate: $400 - 600