Watch List notes:

Troas, Gergis Æ 20mm. Circa 400-241 BC. Facing head of Sibyl Herophile, turned slightly right, wearing laurel wreath / Sphinx seated right; ΓEP downwards to right, monogram to left and kerykeion in exergue. For type cf. SNG Copenhagen 339-340 (smaller with no monogram or kerykeion); SNG von Aulock 1514 (same); Pecunem 43, lot 333. 8.50g, 20mm, 6h.

Very Fine. Apparently unpublished as this larger unit.

Ex Roma Numismatics Ltd., E-Sale 66, 16 January 2020, lot 416;
Ex Roma Numismatics Ltd., E-Sale 45, 5 May 2018, lot 230.