MYSIA. Pergamum. Augustus (27 BC-14 AD). Ae. (21.2mm, 6.1g )Kephalion, grammateus. Homonoia issue with Sardis. Obv: ΠΕΡΓΑΜΗΝΩΝ / ΚΑΙ / ΣΑΡΔΙΑΝΩN. Demos of Pergamum to right, crowning Demos of Sardis to left with wreath. Rev: CEBACTON ΚΕΦΑΛΙΩΝ ΓΡΑΜΜΑΤΕΥΩΝ. Distyle temple, containing facing statue of Augustus.