Watch List notes:

KINGS OF PERGAMON. Attalos I, 241-197 BC. Tetradrachm (Silver, 29 mm, 16.99 g, 1 h), circa 241. Diademed head of Philetairos to right. Rev. ΦIΛETAIΡOΥ Athena seated left, holding her spear downwards over her right shoulder and leaning left on a shield adorned with a gorgoneion; to left, above and below her right hand, ivy leaf and A; to right, bow. SNG Paris -. SNG von Aulock 7453. Westermark Group IV A, pl. 3, V.XXIX/R3. A very rare transitional issue of bold Hellenistic style. Some minor corrosion, otherwise, nearly extremely fine.