Constantine IV Pogonatus, AD 683-684. AE follis, 37 mm, 18.15 g, Constantinople. DN CONSTANTINVS PP, helmeted and cuirassed bust facing, holding spear over shoulder and shield with horseman motif. Large M, ANNO to left, cross above, XXXI to right, officina letter A below. Mintmark CON. DOC 33; MIB 81; Sear Byz 1177 var. (officina A not in Sear) With permission of Nomos AG, auction obolos 5, Lot 970, June 2016. Starting Price: 100 CHF.