ITALY, Bologna. temp. Sante or Giovanni II Bentovoglio. 1445-1506. AR Grossone (30mm, 3.32 g, 11h). BONONI MATER STVDIORVM, lion rampant slightly left, holding banner; coat-of arms to left at feet; annulet stops / S • PETRONIV • DE • BONONIA •, St. Petronius, wearing episcopal regalia, seated facing, holding model of city and crozier. Cf. Grierson, Coins of Medieval Europe 338 (Bolognino d'oro); CNI X 29; MIR 24; Biaggi 400. Toned. Good VF.
From the Richard A. Jourdan Collection of Medieval European Coins. Ex Classical Numismatic Group 105 (10 May 2017), lot 1128.