UNKNOWN
Yes, the only thing I would be - if I was to say it was a positive match, what I would have needed would have been some highly significant abnormalities, say on the teeth, a chip on the tooth or something like that, with the face smiling and one able to see the two images of the tooth on the skull and a tooth in the mouth.  Or a very, very close mouth formation, say even from an old fracture of the skull, which may have reflected itself in the photograph.  That's the kind of thing, but there wasn't anything individualising like that, to be positive.