Watch List notes:

Constans II (641-668). Æ 40 Nummi (22mm, 4.09g, 6h). Constantinople. Constans standing facing, wearing crown and chlamys, and holding long cross and globus cruciger. R/ Large m. MIB 162a; DOC 63; Sear 1000. Brown patina, VF
Estimate: 20 GBP