http://www.themodernantiquarian.com/post/25306
Did you mean Cairn O (on the right) or have I got my lettering system wrong (possible as I was trying to follow Herity largely who uses two systems and has wrongly titled captions!)
Compare
http://www.themodernantiquarian.com/post/23255 and
http://www.themodernantiquarian.com/site/5363