Watch List notes:

SELEUKID KINGS. Seleukos I Nikator, 312-281 BC. Obol (Silver, 9.5 mm, 0.66 g, 7 h). Tripod with lid; border of dots. Rev. ΒΑΣΙΛΕΩΣ - ΣΕΛΕΥΚΟΥ / Δ - (uncertain monogram) Anchor with flukes upwards. CSE 919 (this coin). ESM 58. SC 134.2. Rare. Very attractive and nicely toned. Extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions and from the collection of A. H. Houghton, ex Sternberg [VI], 25 November 1976, 136.