This is a beautiful piece of red, orange and white flint, the carving is really stunning too, check it out if you ever find yourself in the National Museum in Dublin.
http://www.askaboutireland.ie/image_medium?asset_id=2598
drool...
Nice. I'd seen b&w pics of that, had no idea it was techincolour.
Btw Ken, slightly belated congratters to you and Mrs McL, and also* to you Ms Rocknicker, and your lupine beau.**
*Though for a different, though possibly precursive reason. **Hope that was suitably cryptic in case you're all being bashful.