Byzantine-Papal. Constantine IV and St. Vitalian. Siliqua, 0.27g (5h). Rome, c. 657-72 AD. Obv: Crowned beardless bust facing, wearing chlamys and holding globus cruciger in right hand. Indeterminate border. Rx: Squat monogram of Pope Vitalian. SNR 64 1985, Type 7b. O'Hara 15. NAC/Leu May 1993, lot 585 (three known). Sear 1233A var. Berman p. 32, 8. Brighter silver. EF