26.47 grams. Plain edge. Mintmark, Eagle’s head. Carlo Felice, 1821-1831. Head left.
Reverse: Crowned arms. Only five pieces struck sometime in the 1950’s, as per Metcalf. All order for him.
Sardinia is the second largest island in the Mediterranean after Sicily. At one time, large amounts of Sardines were found there, giving the small fish its name. It speaks to the chaos in 19th century Italy, that the king of Sardinia could become the king of the entire nation in 1861.