Watch List notes:

Constans II (641-668). Æ 40 Nummi (17mm, 1.92g, 6h). Constantinople, RY 15 (655/6). Constans standing facing, holding long cross and globus cruciger. R/ Large M; cross above, A/N/A N/Є/O/ς across field, XU. MIB 170b; DOC 73; Sear 1007. Brown patina, Good Fine