Digital Library Numis (Open Access Publications) Ancient Coinage, Wildwinds Digital Iconographic Atlas of Numismatics in Antiquity (DIANA) Historia Numorum. A Manual of Greek Numismatics Hellenistic Royal Coinages Seleucid Coinage Ptolemaic Coinage Coins of the Kings of Macedonia (Pella) Coins of the Roman Empire (Ocre) Roman Imperial Coins - Free online resource for collectors Roman Numismatic Gallery Roman Provincial Coinage Corpus Nummorum Online. Greek and Roman Provincial Coinage Iron Age Coins in Britain (IACB) Online Catalogue of Byzantine Coins Coin Hoards of the Roman Empire (Oxford University)