IX. The pontificate of Pope Pius was the longest in the history of the papacy, lasting from 1846 to 1878. During his reign, the Papal States underwent significant changes, including the revolutions of 1848 and the unification of Italy in 1861. .IX. The coins minted by Pope Pius were varied and reflected the events of his reign. His early coins featured the traditional portrait of the Pope on the obverse and the coat of arms of the Papal States on the reverse. His later coins often featured historical events or religious figures.IX. Among the most famous coins minted by Pope Pius is the scudo minted in 1848. This coin was minted to commemorate the revolutions of 1848 and features a portrait of the Pope on the obverse and an allegory of Liberty on the reverse. .Another notable coin, which IX. Coin of Pope Piusz, minted in 1869 for 100 bajok. This coin commemorates the Vatican Council and features a portrait of the Pope on the obverse and a scene depicting the council on the reverse.IX. Coins minted by Pope Pius are important historical documents that provide insight into his reign and the 19th century history of the Papal State.