Nicephorus III. A.D. 1078-1081. AE Follis. Constantinople. Overstrike!
Obv: Christ standing facing, wearing nimbus cross, pallium and colobium, and raising right hand in
 benediction; in left hand, book of Gospels
Rev: Cross, with globule at each extremity; at centre, circle containing star of eight rays. 
Rare coin.
28.5 mm, 6.12 gr. 
All my coins and artefacts are genuine and authentic. 
Prices are low as I want to clear parts of my collection.