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From medieval soil 64, Site T of slightly micaceous sandstone, but with less silt than the other pebbles and therefore coarser grained. This is the only complete pebble, although now split into two along a natural bedding plane parallel with the decorated surface, and has the only complete design of the series. In addition to the main decoration on a flat surface, there are some relatively fresh marks on one side, probably of accidental recent origin. The piece is much worn. The design has two main elements. That drawn first ran up the pebble and consisted of eight roughly parallel and evenly spaced lines. The left three and the right two all curve inwards towards the top, and criss-cross with some additional branches. The outer right line also curves inwards at the base. The second element, cutting clearly across the first, comprises two groups of lines at right angles to the first set, at the top and bottom of the design. The bottom four lines across overlap each other; at the top are six lines, some unclear because of wear damage. Many of the marks are deeply incised and were probably produced by several scorings, the divergent ends of which show faintly at the ends of some lines in both elements. There are at least eight nicks on the left hand edge, on of which definately connects with a cross line of the second element in the design.

Carved stone from Rhuddlan, north Wales. 6000 BCE.

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