Watch List notes:

Constans II (641-668), Semissis, Constantinople, AD 641-666; AV (g 2,16; mm 18; h 6); Diademed, draped and cuirassed bust r., Rv. Globus cruciger. DOC 44; MIB 50; Sear 983.
Large flan, minor area of weakness on reverse, otherwise about fdc.