The Staffordshire Hoard from the sixth and seventh centuries was first discovered buried in a field at Hammerwich in Staffordshire five years ago.
David Symons from Birmingham Museums told ITV News Central that what they know is that it was for some reason broken up before burial.
There's at least one helmet a sword and weapon fittings used by the warrior elite among the 4000 pieces.
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Staying mostly dry and quite a warm afternoon. Clear skies will develop into the evening.
Cloud will linger through the afternoon, but skies clearing later on.
Police and councils have welcomed a new law which bans the production, supply or possession of so-called 'legal highs'.