set of 2 different years greek 10 drahmas copper-nickel coins lot 1976, 1984 year, greece. the coins feature a democritus portrait

democritus europe drachm coin philosopher coppernickel history years atomic theory symbol numismatics money retro european portrait year minting greece copper currency macro collectible collecting grecian greek reverse 10 drachma dram numismatic 1984 drahmas electron hellenic savings collection presocratic famous nickel 1976 man male minted vintage closeup old atom coins metal