I added some coins to my site: http://augustuscoins.com/index.html including a scarce early Christian chi-rho (on the Constantinian page) and three Gordian III pieces. Gordian III and Serapis, 27 mm. 14.06 grams. Naked Apollo standing, facing, head right, grasping a tree, around which a serpent coils, & holding his right arm over his head; to left, cloak on quiver. Sear GI --, SNG Cop II 255, Marcianopolis 6.37.7.4 (obv legend variety) None on vcoins. [$119 + $5 shipping in the US] Gordian III, 238-244. Denarius. 21-19 mm. 2.58 grams. AETERNITATI AVG, Sol standing front, head left, raising right hand and holding globe in left. RIC 111 "R", struck 241. [SOLD] Gordian III, 238-244. Silver tetradrachm at Antioch. 27-25 mm. 11.72 grams. ΔHMAPX EΞOYCIAC, eagle right with wreath in beak head left Prier 279, stuck 240. Nice evenly toned surfaces. Legends fully on the flan. [$95 SOLD + $4 shipping in the US] The site also has ancient-coin books and catalogs: http://augustuscoins.com/numislit.html