Romanus IV, CE 1068-1071
AE follis, 10.57 gm
Obv: IC-XC over NI-KA to left and right of bust of Christ facing, dotted cross behind head, wearing pallium and colobium, holding book of Gospels with both hands
Rev: C-R P-Δ in the four angles of a cross with globe and two dots at each extremity, X in the centre.
Ref: Sear 1866, DO-8
Dramatic overstrike... not that such things are uncommon among these poorly executed Byzantine coins.