Watch List notes:

BYZANTINE EMPIRE
Constans II, 641-668. With Constantinus IV

Solidus 654/659, Constantinopolis. Officina Θ. Crowned busts of Constans on l. and Constantinus on r. facing; Constans with long beard; Constantinus small and beardless. Both wearing chlamys. Rev. Cross potent on three steps. 4.44 g. MIB 26. S. 959. Uncirculated.

Ex Schweizerische Kreditanstalt Zürich, Monetarium, May 1991.