I could hardly be a smaller business! Give my site a look, please. I added about a dozen coins to the top of this page: http://augustusmath.hypermart.net/coinlist.html Including this Julia Domna/Artemis. Thrace, Augusta Traiana. Julia Domna. Augusta, A.D. 193-217. AE 25 (24.7 mm, 8.43 g, 1 h). IOVΛIA ΔOMNA CEBA, draped bust right / AYΓOYCTHC TPAINHC, Artemis advancing right, holding bow and drawing arrow from quiver on her back; hound at her feet. Varbanov 1045; Schonert-Geiess 202. VF, olive green patina. [$59] Lot 59-210. Caracalla. A.D. 198-217. AR antoninianus. Rome mint, struck A.D. 215. Caracalla. A.D. 198-217. AR antoninianus (23.8 mm, 5.16 g, 5 h). Rome mint, struck A.D. 215. ANTONINVS PIVS AVG GERM, radiate, bearded, draped, and cuirassed bust right, seen from behind / VENVS VICTRIX, Venus standing left, holding scepter and Victory on a globe, and resting elbow on shield set on helmet. RIC 311c; RSC 608a. VF. [$109] I also added to the Greek page and the Tetrarchy and Constantinian pages, http://augustusmath.hypermart.net/Greek.html http://augustusmath.hypermart.net/Tetrarchy.html including: Vetranio, 350 AD. His rarest AE2 type, among three. 23 mm. 5.48 grams. Note: This is NOT the similar AE3. It is a full 23 mm. This type is from only this mint and this issue. VIRTVS EXERCITVM, emperor holding standard with chi-rhi TSA RIC Thessalonica 126 Some silvering, very well-centered, very nice. [$195] There have been threads recently about reference books. Here is (I think) the best-priced page on the web for ancient-coin books: http://augustusmath.hypermart.net/numislit.html