ITALY. Sicilia (Regno). Federico I (Federico II, Sacro Romano Impero), 1198-1250. Grosso da 4 denari (Silver, 13 mm, 0.37 g, 2 h), Bergamo. FREDERI-CVS IMP RT Laureate and draped bust of Federico I to right. Rev. GAMVM Two towers and church behind city wall set on rock. Biaggi 354. Darkly toned. Struck somewhat off center, otherwise, very fine.