Geta, AE31 of Calchedon, Bithynia. AD 209-212. 19.9 g. AYT K L CEP GETAC AYGO, laureate, cuirassed bust left, seen from the back. KALXADONIWN, Apollo standing front, looking left, holding laurel branch, left hand on lyre placed on a column to right. SNG von Aulock 6993. Image from SNG von Aulock.