Q-Celt                P-Celt
600 B.C.            400 B.C.
alphabet : [600 bc] Ogham alphabet per Dr. Macalister; Ogham alphabet classed as Q-Celt; B.L.F.S.N., H.D.T.C.Q., M.G.NG.Z.R.[16]  This alphabet used by the continental Goidels, who migrated from the mainland to southeastern Britain, about 200 years prior to the Belgic invasions from Gaul that introduced the newer P-Celt alphabet in the fourth century bc (400 bc).