Stone 66

From Cleal et al  

The published picture is misleading to me because it seems to be printed on its side. By turning it I can make sense of it.

Stonehenge Stone no. 66

Mr.R. S. Newall (1952).
The Antiquaries Journal, Volume 32, Issue1-2, April 1952 pp 65-67

http://journals.cambridge.org/action/displayAbstract?aid=7860573

From Atkinson Stonehenge 1979 edition