Watch List notes:

Constans II (641-668). AE Follis, Syracuse mint, 654-659. Obv. Constans, holding staff, and Constantine, holding globus cruciger, standing facing. Rev. Large M; monogram 35 above; SCL below. D.O. 180; MIB 209; Sear 1109. AE. 4.23 g. 24.50 mm. A choice example. Earthen dark green patina. Overstruck. Good VF.