Watch List notes:

KINGS OF PERGAMON. Eumenes I, 263-241 BC. Tetradrachm (Silver, 29 mm, 17.04 g, 12 h), struck in the name and with the portrait of Philetairos, founder of the kingdom, circa 255/50-241. Laureate head of Philetairos to right. Rev. ΦΙΛΕΤΑΙΡΟΥ Athena enthroned to left, crowning the royal name with a wreath in her right hand, resting her left hand on her lap, and her left elbow on a round shield; on the outer left, ivy leaf; on the inner left, Α; in field to right, bow. SNG Paris 1616-20. SNG von Aulock 1358. Westermark Group IVB, obverse die XXXXXX. Nicely centered, toned, and with a fine portrait in high relief. Extremely fine.

From a European collection, in Switzerland prior to 2010.