Bonsoir ,
Celle à gauche sur la photo, la 1 , est un follis de Constans II:
Constans II. 641-668 AD. AE Follis.
Avers :
EN TVTO NIKA, Constans, beardless, crowned and wearing chlamys, standing facing, holding long cross and cross on globe
Revers :
Large m (lower case), ANA to left, nothing, cross or star above, NEOS to right, officina letter and I, II or IIII below (45 combinations known).
Ref : SB 1000, MIB 162a-c.