Watch List notes:

ANCIENT BRITAIN, Celtic coinage, Durotriges, (mid 1st century BC - mid 1st century AD), billon stater (S.367); silver quarter unit (S.368). Fine; good fine. (2)

Ex Dr L.J.Sherwin Collection, first from Spink Australia Sale 15 (lot 984); second from Coin Trends 2.8.91, item 2492.