How to best protect a piece of paper?

Oh, my God, is that necessary? Fraudulent, too exaggerated! But that can be preserved forever! If you are sure to mount it, you can mount it directly in the cross-stitch shop. There are also some places that sell calligraphy and painting, as well as grocery stores that specialize in printing, painting and computer typing! I just don't know what happened there! See for yourself! But in fact, I think you are still young and have not fully understood these things. I suggest you take them to the photo studio for plastic surgery, and then directly press the bottom of the box! ! !