Certified Byzantine Gold Histamenon nomisma (Syphate)!
This Gold coin is from the reign of Constantine X, ruler of the Byzantine empire from 1059 - 1067 AD. Approximate specifications: (24/28mm - 4.0-4.6g).
Obverse: Christ seated on throne.
Reverse: Constantine standing with scepter and orb.
Graded Almost Uncirculated by NGC with a strike rating of 4/5, and a surface rating of 5/5. A beautiful & well preserved 11th century coin!