British Celts, Tincommius. AR quarter stater. 1.13 g. ca. 30-10 BC. 

Roman style, laureate head left.
TI-C above and beneath bull leaping left.

Seaby 84 (with TI-NC); van Arsdell 396 (ditto).

With permission of Münzen & Medaillen (DE) GmbH auction 43, Lot 196, Feb. 2016.