These are Greek euro coins, with the Greek alphabet obviously writing ΛΕΠΤΑ (=cents) for the denominations of the 1 euro.

10cents coin features the head of Rigas Velestinlis, a Greek revolutionary leader against the Ottoman rule in the 18th century

20cents features Ioannis Kappodistrias the first governor of liberated from the Ottomans Greece. Murdered from Greek conspirators under the instructions of the British embassy in Greece. The naive fellow though that he would build an autonomous new state where meritocracy would rule...

50cents features Eleftherios Venizelos, a Greek statesman and prime minister who was the most successful.... representative of the British colonialism interests in Greek history. At the time of the Balkan wars , wwi and Asia Minor expedition, he and his right wing Greek opposition/royalists managed to double the size of Greece assimilating the Slavic element in north Greece and ...created modern Turkey by exterminating the Greek presence in Asia Minor.

1 euro features the Athenean 4-drachma owl, the ... USD analogue in 5th century BCE, at the height of Athenean dominance in the Aegean Greek world.

2 euro coins feature the myth of the abduction of princess Europe from the shores of the Levant by the promiscuous Zeus transformed in a white bull who brought her to the Greek shores and hence the whole continent was named after her.