Watch List notes:

TROAS, Gergis. Circa 420-400 BC. AR Obol (8.5mm, 0.64 g, 8h). Laureate head of Apollo facing slightly right / Griffin seated right within incuse square. Unpublished in the standard references, but cf. CNG E-170, lot 70 for another from the same dies. See also CNG 102, lot 398 note, for the dating of this issue. VF, granular surfaces. Very rare.