Scottish painted pebbles
Painted pebbles are a class of Early Medieval artifact found in northern Scotland dating from the first millennium CE. == Appearance == They are small rounded beach pebbles made of quartzite, which have been painted with simple designs in a dye which is now dark brown in colour. The size varies from 18 by 22 millimetres (0.71 by 0.87 in) to 65 by 51 millimetres (2.6 by 2.0 in).