Watch List notes:

CILICIA. Poseidion. 4th century BC. Obol (Silver, 11 mm, 0.67 g, 6 h). Draped bust of Athena facing slightly to right, wearing triple-crested helmet and pearl necklace; to right, pileos. Rev. ΠΟΣΙΔ[HIΣ] Facing female head with long hair, wearing pearl necklace. F. Shore: A New Greek Fraction, in: The Celator Vol. 19, No. 5 (May 2005), p. 39, fig. 3. Leu Web Auction 15 (2021), 629 var. (shield instead of pileos). Extremely rare. Somewhat porous, otherwise, very fine.