Hello, I am the owner of an Arts and Crafts home built in 1908. My question today is with regard to a problem with a small set of stairs. As you can see in the photos, there is a chunk of the bottom stair that has been broken out. What I am looking for is advice on how to attempt to re-attach this piece. I do not know wish to have the stairs removed and re-formed, as it would require the removal of the cobblestone retaining wall attached to it. As you can see, I have the entire piece. And the piece will sit in place, although, I cannot get it flush. Maybe I have to chip a little off of the back? I can completely remove it. A couple more for perspective.