Top: Hellenistic Greek Silver Drachms of Alexander the Great (336-323 BC). 

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Left: Imperial Roman Bronze Coins of Constantine I, the Great (AD 306-337). 

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Right: Hellenistic Greek Silver Tetrabols of Euboia (200-146 BC), with head of the Nymph Histiaia. 

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Bottom: Hellenistic Greek Silver Hemidrachms of Kios, Bithynia (340-310 BC), with heads of Apollo.