Julia Domna, AE21 of Tainarion, Laconia. 4.6 g. IOYLIA DOMNA, draped bust right. TAINARIWN, Poseidon standing facing, holding trident. Unpublished city. Aiello Collection, June 2021. ex Zeus Numismatics, auction 18, lot 293, June 2021. Described by the seller simply as "Roman provincial" without any kind of identification. No coins from this city have ever been discovered. The reverse image is seen on coins from Asopos, struck for Caracalla and Plautilla.