yupyup I'd agree, that looks like a hanken cel 
for X/1999 or something. I know the girl and the 
wolf were characters for X but I never saw them 
in Clamp in Wonderland, but then again, I havn't 
seen anything other than a couple of cels from it 
=^_^=

~should be ashamed to call myself a CLAMP fangirl~