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Sts. Cyril and Methodius on a Slovak limited-edition coin
In 2013, the faces of the patron saints of Europe were struck by Slovakia on 1 million 2-euro coins. St. Cyril and St. Methodius are not only co-patrons of Europe, but they are also the two most important saints of Slovakia. Cyril and Methodius were sent to Central Europe to evangelize the Slav peoples. These coins were the subject of controversy: the European Commission asked that the halos be removed, as they were "likely to cause adverse reactions," but in the end the Slovak central bank decided to keep them.

© Guy Delsaut (CC‑BY‑SA‑3.0)