Some more data viz for you: this time, the number of moneyers operating at the mints of London and Southwark from c.973 to 1158.
This visualisation is an output of my ongoing research project, ‘PRMC-L: Post-Roman and Medieval Coin Finds from London‘. Funding for Phase 1 of this project has been generously provided by the British Numismatic Society’s John Casey Fund.