Watch List notes:

Constans II, with Constantine IV, Heraclius, and Tiberius, 641-668. Solidus (Gold, 19 mm, 4.40 g, 6 h), Constantinopolis, circa 659-661. δ N[...]AN Facing bust of Constans II, with long beard, on the left, wearing plumed helmet ornamented with cross and chlamys, and Constantine IV, on the right, wearing crown surmounted by cross and chlamys; between them, small cross. Rev. VICTORI AVςЧ Є / CONOB Heraclius, on the left, and Tiberius, on the right, standing facing, each holding globus cruciger; between them, cross potent on set on globe. DOC 28c. MIB 29. SB 962. A very attractive example with two bold portraits. Light doubling and the obverse struck from a slightly worn die, otherwise, good extremely fine.