Byzantine, Constantine IV with Heraclius and Tiberius, gold solidus, Syracuse, c. 674-5 AD. 4.40 g. 

EF, some striking weakness and a few minor marks. Extremely rare, and exceptional as a full-weight example of this issue, which is usually found clipped small. 

Sear 1202; DOC 56; CNG 85, lot 1270 (these dies, hammer $11500)