Ancient Tetradrachms (Greece, Egypt, Syria, Sicily, Seleukid Kingdom, ...). Most of them couple hundreds years BC. Some of them are 2500+ years old. They have so good mining quality, sharp details and complicated compositions. Definitely ancient greeks has much better minting technologies then middle ages people.
33coin(s)
Sicily, Selinos. Silver Tetradrachm (17.1 g), ca. 450-440 BC. ΣEΛ-IN-ONT-ION, Artemis, holding ...
Pamphylia, Side. Silver Tetradrachm (16.7g), ca. 205-100 BC. Di…, magistrate. Head of Athena r ...
Sicily, Messana. Silver Tetradrachm (16.8 g), 412-408 BC. Charioteer, holding kentron and rein ...