Watch List notes:

Constans II, with Constantine IV. 641-668. AV Solidus (19mm, 4.46 g, 7h). Constantinople mint, 2nd officina. Struck 654-659. Crowned facing busts of Constans and Constantine, each wearing chlamys; cross above / Cross potent set on three steps; B//CONOB. DOC 25b; MIB 26; SB 959. Lustrous. In NGC encapsulation 6558178-012, graded MS, Strike: 5/5, Surface: 4/5, edge scuff.

From the Gasvoda Collection. Ex Classical Numismatic Group Electronic Auction 451 (4 September 2019), lot 509.