Nowadays, the Swiss Guards of the Pope in Vatican City issued a special Euro 2.00 coin showing a guard during the flag ceremony with years 1506 - 2006...
But did You all now that San Marino issued an Euro 2.00 coin with Galileo Galilei and his telescope on it ?
http://www.muenzen-grothe.de/bilder/RSM-2005-2e-PHYSIK.jpg