Hellenistic Monarchies - The Ptolemaic Kingdom of Egypt - Ptolemy X Alexander (106-88 BC) - AR Tetradrachm (Alexandria, RY 21 = 94-93 BC, 9.99 g) - Diademed head of Ptolemy I right wearing aegis around neck / Eagle standing left on thunderbolt, LKA in left and ΠA in right field (Svoronos 1680) - somewhat irregular flan, VF