Constans II (641-668). AE Follis, Ravenna mint, dated RY 4 (644/45). D/ [DN] COSTAN-TIN ( ) P. Bust facing, wearing crown and chlamys, and holding globus cruciger. R/ Large M between A/N/N/O and numeral II/II (?). D.O. 206. Sear 1138. BMC-. R.-. Cf. Ranieri 688 ff. AE. g. 6.56 mm. 20.00 RR. Very rare and in excellent condition for issue. Brown patina. VF.