The Dobunni tribe’s capital was Cornivum Dobvnnirvm which was located at Cirencester, Gloucestershire. The tribal territory was West Oxon, Gloucestershire, North Somerset, Avon and south parts of Hertfordshire and Worcestershire. These were a non Belgic people occupying impressive hillforts with some Belgic influences.

Celtic Coin Book References:

S = Coins of England and the United Kingdom
M = R P Mack, The Coinage of Ancient Britain
VA = R D Van Arsdell, Celtic Coinage in Britain
BMC = D Allen & R Hobbs, British Museum Catalogues
GEB = J Sills, Gaulish and Early British Gold Coinage
LT = S Gouet, M Prieur & L Schmitt, La Tour
CCI = Celtic Coin Index at Oxford University
WW = Wildwinds.com (reference & attribution site)