>>>> Couldn't see the relevant pic in the link you posted gw - the only engraving one I spotted was the 'goddess' one .....

Know what you mean, it wasn't the best of examples.

This is a bit clearer. It's from La Pierre Turquaise just outside Paris (nice site until it was largely blown up in 1985)
http://rene.clementi.free.fr/vexin/Presles_carnelle/Gravure_entree.jpg