This polished stone ball was found on land at East Moss, Holm, Orkney. It is a near perfect sphere and exhibits a finely polished surface.
Polished stone balls occur in the Neolithic, but also in later periods. The date of this example is not known.
L:51.7mm, B:50.4mm, T:49.7mm. W:158.6g.
The Orkney Museum, Orkney Islands Council. OM EN 1392. © Hugo Anderson-Whymark.