Watch List notes:

KINGS of PERGAMON. Eumenes I. 263-241 BC. AR Tetradrachm (28mm, 16.76 g, 12h). In the name of Philetairos. Pergamon mint. Struck circa 255/50-241 BC. Laureate head of Philetairos right / Athena enthroned left, resting on shield to right, holding transverse spear; ivy leaf to outer left, monogram to inner left, bow to outer right. Westermark Group IVA (unlisted dies); SNG BN 1610–5. Toned, a few light marks, some roughness on obverse, slight die shift on reverse. Good VF.

From the Demetrios Armounta Collection (Classical Numismatic Group Electronic Auction 304, 12 June 2013), lot 85.