While the existence of fragments from the sandstone block returned in 1951 have been known – an inch-sized piece was gifted to Alex Salmond by Sir Neil MacCormick and was kept at SNP headquarters – it has not been widely appreciated that there are potentially more than 30 in existence.

A search is under way to trace up to 30 missing fragments of the Stone of Destiny - the ancient coronation stone of Scottish kings. The pieces were separated from the artefact when it was secretly repaired following its famous removal from Westminster Abbey in 1950 by nationalists students.

A professor is on the hunt for dozens of fragments of the Stone of Destiny that have been missing for 75 years...

A researcher is exploring the mystery of small fragments which were separated from the ancient Stone of Scone.