Watch List notes:

Thessaly. Larissa. Circa 479-465 BC. Obol (Silver, 10 mm, 0.97 g, 9 h). Head of the nymph Larissa to right, her hair bound with a ribbon and tied at the back. Rev. ΛA Jason's sandal to left, all within incuse square. BCD 139 (same dies). Hermann group 1c, pl. I, 4. Rare. Very well-struck on a full flan. Usual slightly porous surfaces, otherwise, good very fine.
From a Swiss collection, acquired prior to 2005.