Kings of Macedonia. Antigonos Doson. 229-221 BC AR tetradrachm. 31.5 mm, 16.9 gr. Obv: Head of Poseidon right with flowing hair Rev: Naked Apollo holding bow, seated left at ease on prow of galley inscribed BASILEWS ANTIGONOU. SNG Ashmolean-3266. (commemorating a naval victory over the Ptolemaic fleet). Prix : 1,650.00€ Courtesy of creusynumismatique.org (numismeo) Feb. 2010.