Alexius I Comnenus. AD 1081-1118. Æ Tetarteron. Thessalonica mint. Struck 1092/3-1118. Crowned facing bust, holding cruciform scepter and globus cruciger / Jeweled cross with central X and globe at each extremity; C-Φ/AΛ-Δ in angles. 21 MM, 2.81 g.