Digital BW, The Print

We sign the backing paper on every framed print we sell. This also lets us 
know if the print has ever been opened or backing paper removed for some 
reason. It's always been my impression it doesn't HAVE to be signed on 
the print or matte.

Greg

> My question is, where can I sign it?  There is some
> white space around the image on the paper, but the mat
> board covers it.  Anyone sign prints, then cover the
> signature with a mat?  What about signing the back of
> the board? (I usually leave space for this when
> matting, but I didn't think this one would end up
> getting auctioned!)