Well what a find! a polished stone ball found in the chamber of the neolithic tomb Tresness Sanday. This find is of real significance as it is one of only a few that has been discovered in a burial context.@UCLanArchAnth @UCLanResearch @hugowhymark @SamWalshOsteo @NtlMuseumsScot pic.twitter.com/YEbPBhJjfy

— UCLanArch&Anth (@UCLanArchAnth) August 18, 2021