Links to the geographic tribal regions that issued coins are listed below:
Kent region: Cantiaci
Map : "Ancient British Coins", by Elizabeth Cottam, Philip de Jersey, Chris Rudd & John Sills, 2010
Some unidentified Roman prototypes of British Celtic coins, David Woods, BNJ 83, 1-14, 2013
Iron-Age and Roman Coins, J. Williams, BNJ 73, 44-57, 2003
Celtic Coinage in Britain: New Hoards and Recent Analyses, M. R. Cowell, W. A. Oddy and A. M. Burnett, BNJ 57 (1987) pp 1-23.