Alexius I (1081-1118). Æ Tetarteron (21mm, 4.40g, 6h). Thessalonica. Crowned bust facing, wearing chlamys, holding cross-tipped sceptre and cross on globe. R/ C-F-M-Δ in the four corners of jewelled cross with a globe at each end and X in the centre. DOC IV 40; Sear 1931. Good Fine