"Roman Provincial Coinage Online" is a database containing photographs of Roman coins from the provinces. The database of about 45,000 coins (over 13,000 types) from the Antonine period (138-192 CE) is searchable by iconography, place, and time from "coin database". After selecting the parameters of search (intuitive, but tutorials are available), the results include a small picture of the coins and some essential information, including the town of provenance. By clicking on the picture, it is possible to access a high resolution version of the photograph, and additional data such as any inscriptions, type of metal, diameter, weight and bibliographic references. By clicking on the town name, a Flash map will show its location. It is also possible to use the mapping feature independently from the database accessing section "maps". The website also contains a referenced introduction to coinage in the Roman provinces and short biographies of the Roman emperors (including portraits in sculpture) that ordered the coinage of the coins in the database. This project has been funded by the Arts and Humanities Research Council and the University of Oxford.