Barry & Darling : Constans II AE Follis with Counterstamp $31.00 May-30-02 Seller tiberius Barry & Darling Ancient Coins Constans II AE Follis with Counterstamp Attribution · Arab.Byz. imitative. Sica508, 641 - 668 AD Obverse · Constans with long beard, standing facing Reverse · Large M, monogram upper right quadrant. >>> CION below (only on Arab-Byzantine imitatives)