Pergamon, Mysia, AE15. In the name of Philetairos. 281-263 BC. 2.01 g. Helmeted head of Athena right, wearing crested helmet decorated with griffin. FILETAIROU, coiled serpent, MD monogram in upper left field. Imhoof Dynastie 67 With permission of Auktionshaus H. D. Rauch E-Auction 31, Lot 86, Sept. 2019.