Watch List notes:

Constans II (641-668). Æ 40 Nummi (29mm, 5.32g, 6h). Syracuse, 650-1. Crowned and draped facing bust, holding globus cruciger. R/ Large M; monogram above; SCL. MIB 207; DOC 178; Sear 1107. Green patina, overstruck, near VF