Had an itchy bidding finger since I failed to win any coins in two big auctions yesterday. This is a pretty darn interesting overstrike.

Romanus IV Diogenes, 1068-1071
AE Follis
10.57 g
Constantinople
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-delta in the four angles of a cross with globe and two dots at each extremity, X in the center.
Ref: Sear 1866, DO-8