SICILY, Syracuse. Agathokles tetradrachm

My most prized numismatic possession. SICILY, Syracuse. Agathokles (317-289 BC) 310-305 BC AR tetradrachm, 17.40 g, 24 mm Obv: head of the nymph Arethusa left, wearing grain wreath, earring and necklace; around, three dolphins; under, monogram (NK?) Rev: ΣYPAKOΣIΩN, fast chariot charioteer leads to left, holding reins and kentron; above, triskeles; in exergue, monogram Ref: Ierardi 9; SNG Copenhagen 573 var., SNG ANS 637 ArtCoinsRoma, auction 8, Feb. 2014 The story of its acquisition is here: [url=https://www.cointalk.com/threads/ancient-adventures-in-bidland-agathokles-tetradrachm.243930/]Adventures in Bidland[/url]