Greece | 50 Drachmaí, 1978 | Obverse: Head of Poseidon – The god of the sea and earthquakes, and Helmeted Athena supervises Argus constructing a sailing boat called Argo - the ship of the Argonauts | Reverse: Scene of Laskarina Bouboulina attacking the fortress of Palamidi at Nafplion, and Sailing ships | Watermark: Head of Charioteer of Delphi (Hiníochos) |