This morning I remembered that sometimes UV light
will help to show faint areas!
The first picture shows that two waves from the painting are crossing
the lower character!
http://a.imageshack.us/img594/9035/0000039.jpg
http://a.imageshack.us/img834/9317/1siguv2.jpg
http://a.imageshack.us/img836/9019/1siguv.jpg