Watch List notes:

Iron Age Britain, Atrebates and Regni, uninscribed (55-45 BC), 'Selsey Two-Faced' AV Stater, British Qa, debased head of Apollo right, rev. triple-tailed horse right, wheel below, charioteer's arms above, 5.65g, 11h (VA 212-5; BMC 453-55; S.38; ABC 485), well-centred with water wear to obverse, good fine / very fine.
Provenance
C Rudd, FPL 48 (1999), no. 16
Found Warblington, Hampshire (ref. CCI 99.1331)
Estimate: £250 - £350