Ptolemaic Kingdom. Ptolemy VI Philometor. 180-164 B.C. AE tetrobol (27.4 mm, 16.34 g, 11 h). Alexandria mint, struck 180-176 B.C. Head of Isis right, wearing grain ear wreath / ΠTOΛEMAIOY BAΣIΛEΩΣ, eagle standing left on thunderbolt, with wings spread, monogram in left field. Svoronos 1384; Weiser 147; SNG Cop 279. aVF, flan chip.