1 cm in the Figs             ..  denomination    weights     n  description Obv/Rev

3C BC

                                    AE 20             4.73- 7.05  16   hd Athena Cor Helm/owl on Ionic column
c. 250 BC                           AE 17             2.31- 5.71   6   eagle wo on thunderbolt/ear of barley
                                    AE ...            1.30- 2.16   2   scallop-shell/dolphin, trident