Yellow stain in TR corner of mat. Light yellow discoloration running down the complete left edge of the picture, alongside the mat edge. Very light discoloration (apparent graphite mark) along top horizontal register.
There are creases along the right side. A piece of the surface of the paper is peeled off along the top edge. Also, there are various smudges all over, including multiple pencil marks in the bottom horizontal register, which are most likely not inherent