Archaeologists

Evie Numan, 10, picked the piece up at a National Trust estate in Surrey, thinking it was a rock.

Girl on National Trust site walk discovers 6,000-year-old artefact

Ronnie and Alfie found the 2kg of ambergris on Leven beach (Pic: Ronnie Humphreys)

Father and son duo discover rare ambergris on beach walk

The wreck of the Klein Hollandia (Photo: Cathy de Lara)

Shipwreck off UK coast identified as 17th century Dutch warship

Reconstruction of a traditional Anglo-Saxon hall house at Butser Ancient Farm. Pic supplied

Traditional Anglo-Saxon hall house reconstruction officially opened

The silver artefact, dubbed the 'paranormal paracetamol', is suspected to date back to the reign of Roman Emperor Constantine. Picture: Peter Beasley.

Treasure hunters discover 'incredible' Roman artefact near Havant