CNG: Coin pageClassical Numismatic Group, Inc. Description 135, Lot: 41. Estimate $75. Sold for $181. THRACE, Callatis. Geta. 209-212 AD. Æ Tetrassarion (26mm, 10.48 g). Laureate head right / Coiled serpent; D to left. Mouchmov 304. VF, brown patina. From the Marc Poncin Collection. From the CNG Electronic Auction 135, March 15, 2006. By permission of CNG, www.cngcoins.com.