Watch List notes:

Constans II, with Constantine IV, Heraclius, and Tiberius (641-668). AE Follis. Syracuse mint, 659-668. Obv. Constans, holding long cross with right hand, and Constantine IV, both crowned, standing facing. Rev. Large M; to left, crowned figure of Heraclius standing facing, monogram above, to right, crowned figure of Tiberius standing facing; SCL in exergue. D.O. 181; MIB 210; Sear 1110. AE. 3.54 g. 27.50 mm. About EF.