Pergamon in Mysia, ca. 420-350 BC.,
Chalkus (ø 9 mm / 0,76 g), brass, bronze, axes about coin alignment ↑↓ (ca. 150°),
Obv.: laureate head Apollo right.
Rev.: [ΠEΡ]ΓA , two bull's heads confronting face to face, stalk of grain between.
5 pieces in Isegrim database: BMC Mysia p. 110, 2-3 ; cf. SNG v. Aul. 1348 (no stalk of grain) ; - SNG Cop. 316 (no stalk of grain) ; - SNG Stockholm 2096 (no stalk of grain) .