where's that from then mr k? a new species of map?
the stone reminds me (location wise) of this one:
http://www.themodernantiquarian.com/site/8964/ty_newydd.html
also on private land and hidden but very near the lane. next to it is what we thought might be stone row - very rare for wales obviously - don't know if you or postman have been able to check it out
t