Watch List notes:

Constans II, with Constantine IV, Heraclius, and Tiberius. 641-668. AV Solidus (18mm, 4.47 g, 6h). Constantinople mint, 3rd officina. Struck circa 661-663. Crowned and draped busts facing of Constans, wearing plumed helmet, and Constantine; cross above / Cross potent set on three steps; at sides, Heraclius and Tiberius standing facing, each holding globus cruciger; ΓΘ//CONOB. DOC 31 var. (officina letter); MIB 33 var. (same); SB 965 var. (same). Lustrous. EF.

Ex William Herbert Hunt Collection (Part II, Sotheby's New York, 21 June 1991), lot 451 (part of).