Alexius I Comnenus, 1081-1118. Tetarteron (Billon, 16 mm, 3.61 g, 6 h), pre-reform coinage, Thessalonica, c. 1081-1087. MP-ΘY Facing bust of the Theotokos, orans, wearing pallium and maphorion; head of the infant Christ at chest. Rev. +AΛEΞIΩ Δ-ΠOT Crowned facing bust of Alexius, wearing jewelled chlamys, holding a scepter in his right hand and a globus cruciger in his left. DOC 8.5. SB 1906. Attractive and well-struck. Very fine.