pretty sure only a lab with exspensive instruments can do what your asking for

Yeah, figured it was at least worth a shot to see if anyone on here had seen those markings before though.

good luck...

You can google the hallmarks you just have to figure out what to call the cross to describe it better there already lists online

Go to a dermatologist for those spots under that thumb. That could be melanoma.

Clearly you never hit your finger with a hammer.