This poor document was almost beyond help.
After treatment, and supported by a Japanese tissue liner, it will now live a much longer life.
This Maricopa County article of incorporation shows you what water can do to a piece of paper.
Water stains don't always come out completely, but this shows how effective treatment can be.
This is an illuminated manuscript. Notice the tape stains on the top and bottom before treatment. After treatment, the stains are much reduced.