Byzantine Coinage, Constantine IV, Heraclius and Tiberius (668-681), 40 Nummi, Constantinople, c. 669-73, helmeted facing bust, holding globus cruciger, rev. large M; cross above, Heraclius and Tiberius on either side; A; CON., 22.82g/6h (MIB 77; Sear 1173). Rare, very fine, brown tone £150-200