Constantine X Ducas, 1059-1067. Tetarteron (Gold, 17 mm, 4.08 g, 6 h), Constantinopolis. MHP - ΘV Nimbate bust of Virgin Mary facing, orans, wearing pallium and maphorium. Rev. +KωҺ RACIA Ο ΔVK Crowned bust of Constantine X facing, wearing loros, holding globus cruciger in his right hand and akakia in his left. DOC 3.a SB 1849. Rare. Struck from somewhat worn dies, otherwise, good very fine.