ITALY, Papale (Stato pontificio). Sede Vacante. 1655. AR Mezzo grosso (15mm, 0.77 g, 12h). Rome mint; Cardinal Antonio Barberini, camerlango. Barberini coat-of-arms / Radiant dove above flames; ROMA in exergue. CNI XVI 12; Muntoni 8; Berman 1891; KM 264. VF, toned. Rare denomination.
From the John Carlin Ryan Collection.