Constantine IV. Semissis; Constantine IV; Constantinople, 668-685 AD, Semissis, 2.05g. Berk-176, MIB-15, Sear-1161. Obv: d N CONSTAN - TINVS PIVS P P AV Pearl-diademed, draped, cuirassed bust r., seen from front. Rx: VICTORIA AVGUS Cross potent set on globe.This issue was long thought to be a portrait of Constans II, father of Constantine IV, but the sharp portrait proves that attribution to be wrong. MS