Municipality of Bologna, 1191–1337. Bolognino Grosso (on behalf of Emperor Enrico VI) Obverse: field with IPRT clockwise around the central pellet. Reverse: field with large A among pellets. References: CNI X, page 2 Nos 9-10 Silver. Diameter: 20 mm. Weight: 1.2 g. Rarity: Rare Preservation: VF with fine original patina (see photo) The coin in the photos is exactly the one you will receive. The coin has been declared authentic. From my personal collection. I do not ship in USA., CANADA and Asie.