Constans II and Constantine IV, AE half follis, Syracuse. AD 641-668. 22 mm, 2.33 g.

No legend, Constans, crowned and draped bust facing with long beard, and Constantine IV, unbearded, crowned and draped bust facing.
Large K, cross over AN in left field, NO Delta in right field. No mintmark.
 
SB 1114; MIB 213; DOC 184.

With permission of Roma Numismatics E-Sale 77, Lot 1498, Nov. 2020.