Italy, Urbino. Guido Ubaldo II delle Rovere. 1538-1578. BI Quattrino (17.2 mm, ,47 g, 8 h). Diadem above, G · V / · II · in two lines within floral wreath, all within dotted border / Flaming bombard (or vase of flowers?) within floral wreath, all within dotted border. EKL 1092; CAV 135. aEF, exceptional for type. Rare.