The 46g piece of coal was among hundreds of shipwreck memorabilia items housed at the Shipwreck Treasure Museum in Charlestown, Cornwall. The artefact fetched well above its estimated value of £ ...

THIS OBJECT IS PART OF THE PROJECT 'A HISTORY OF CORNWALL IN 100 OBJECTS ... is best known today for an invention made to help coal miners in the Midlands. Davy was a chemist and became president ...