Ancient Coins, Greece, Ptolemaic Kingdom, Ptolemy I Soter (323-284 BC), tetradrachm, diad. head r. wearing aegis, rev. ΒΑΣΙΔΕΣ ΠΤΟΛΕΜΑIΟΥ, eagle standing l. on thunderbolt, with closed wings, in l. field P above a monogram, wt. 14.22gms. (Svoronos 255, pl.IX, 11; SNG Copenhagen 70), test mark on cheek, fine to very fine (60-80 GBP)