I agree with Oomis, but as a parting shot, I would give the mom a note that says “I’m not interestet, but best of luck in finding someone who is” (written of course, in the finest script, so when mom DOES analyze it, she would see what kinf of gem just slipped away.
Besides, anyone can tell you, a much better measure of a kallah’s true potential is how her potato kugel measures up to her future M-I-L’s kugel! (so I guess my future D-I-L’s have the odds stacked against them.. oh well, with time and practice, I guess she’ll learn the ropes!)
But all kidding aside, asking for a handwriting sample? Why stop at that? Lets get the girl in front of a new-age pseudo kabbalist who (for a hefty fee) can do his (or her) imitation of the chochmas ha’partzuf (reading of the face, which is mentioned in chumash, but has long since been hidden from us as a usable tool).
Gee, is this lady nuts. Makes you wonder what possibble issues her boys may need to overcome, once out of the house