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Africa. Egypt, Ptolemaic Kingdom. Ptolemy X Alexander I, Sole reign (101-88 BC). AR Tetradrachm. Alexandreia mint. Dated RY 15 (100/99 BC). Obv. Diademed head of Ptolemy I right, wearing aegis. Rev. ΠΤΟΛΕΜΑΙΟΥ ΒΑΣΙΛΕΩΣ. Eagle with closed wings standing left on thunderbolt; LIΔ (date) to left, ΠΑ to right. Svoronos 1675; SNG Cop. 364. 13.55 g. 25.00 mm. Old collector’s ticket. Encrustations/deposits. EF.