Watch List notes:

Constantine IV, Pogonatus 13 April 654 – 10 July 685. Solidus 668–673, AV 4.35 g. Beardless bust, three-quarters facing, wearing helmet and cuirass and holding spear. Rev. Facing figures of Heraclius on l., and Tiberius on r., both beardless, each wearing crown and chlamys and holding globus cruciger; between them, cross potent on base and three steps. DO 6c. MIB 4c. Sear 1153.
Extremely fine

Ex Glendining's sale 7/8 November 1979, 496.