PTOLEMAIC KINGS OF EGYPT. Ptolemy VI Philometor, first reign, 180-164 BC. Tetradrachm (Silver, 27 mm, 10.82 g, 12 h), uncertain mint on Cyprus (Arsinoe?), year 91 of an uncertain era = 172/1. Diademed head of Ptolemy I to right, wearing aegis around neck. Rev. ΠΤΟΛΕΜΑΙΟΥ ΣΩΤΗΡΟΣ Eagle with closed wings standing left on thunderbolt; to left, monogram of P and A. C. Lorber, The Ptolemaic era coinage revisited, NC 167 (2007), pp. 105-17. Noeske -. SNG Copenhagen 548. Svoronos 1207. Some horn silver and with minor marks, otherwise, very fine.