The client who took this photo many years ago nearly tossed this picture of her mother: it was rolled up into a one-inch tube. The major crack across her waist was cleanly ripped through across most of the photo, and was only connected by the paper at the far left.
Here’s another example – in this one the client wanted the yellow cast removed, too. It also illustrates how one can replace missing corners and such.
Here’s the image I use on my business card – these are my grandparents. I didn’t have completely-ripped photo handy, so I printed a faded version, tore it in half, rescanned it, and did the repair work. This isn’t quite the same as working from an old print, but the good image really is a ‘fix’ from a damaged one: