Albert II, Prince of Monaco
As Monaco's head of state, Prince Albert II is depicted on coins, including collectors' coins, with very rare exceptions. One of the most recent examples is the €5 silver Prince Albert II commemorative coin, the first commemorative coin with his effigy on it, minted in 2008. On the obverse, the prince is depicted in profile with his name on the top of the coin. On the reverse, the Grimaldi coat of arms appears; around it, the words "Principauté de Monaco" (Principality of Monaco) also appear along with the nominal monetary value of the coin.As the prince, his official shortened title is "His Serene Highness Albert II, Sovereign Prince of Monaco"; this does not include the many other styles claimed by the Grimaldi family.
Monarchy of Monaco
The Prince is styled "His Serene Highness". Although used only formally, the Prince also bears several other hereditary titles, some of which are occasionally bestowed on his relatives or their spouses. Some of these titles have merged with the Crown of Monaco as a result of the Grimaldi family's acquisition of various fiefs; they no longer imply ownership or territorial authority, although the Princes of Monaco have long been substantial owners of land and in France. Most were granted or recognised by the Kingdom of France or the Papal States and could only pass through the male line; they therefore became extinct as French dignities on the death of Albert's great-grandfather Prince Louis II in 1949. Thereafter, some of these titles were implicitly re-created as distinctly Monegasque titles. The father of Prince Rainier III was Pierre Grimaldi, Duke of Valentinois, "né" Count Pierre de Polignac, whose legitimate male-line descendants (including Rainier III "et al.") remain remotely in the line of succession for the French dukedom of Polignac).