Watch List notes:

Paphlagonia, Sinope AR Drachm. Circa 410-350 BC. Head of nymph Sinope to left, hair elaborately arranged and wearing sakkos / Eagle flying to left clutching dolphin; Z below wing, ΣΙΝΩ below; all within incuse square. SNG BM Black Sea -, but cf. 1384 for similar engraving style; SNG Stancomb -, but cf. 754; HGC 7, 389-90. 5.96g, 19mm, 3h.

Very Fine. Seemingly an published variant with 'Z' on the reverse.