Watch List notes:

Constans II, with Constantine IV (641-668). AE Follis, Syracuse mint. Struck 654-659. Obv. Constans, holding staff, and Constantine, holding globus cruciger, standing facing. Rev. Large M; monogram above; in exergue, SCL. D.O. 180; MIB 209; Sear 1109. AE. 6.67 g. 20.00 mm. Warm brown patina. VF.