After and Before. Thanks Again! We found 10" toilet at a local retailer but the foot looked too small to cover the missing flooring. A local plumbing supplier also had some 10" models. nealtw's suggested toilets looked good but we went local as i needed to install it before Christmas and couldn't wait for one to be shipped. We ultimately went with the 12" because it had a very rectangular foot that covers the missing flooring. A very helpful big box employer pulled a mobile stairway up to the toilet display so I could measure the toilet. Since our measurement from back wall to center of drain was 10.5" I wanted to make sure we had enough room. As you can see from the pic, it sits very close to the back wall. This was not a problem for us since the 1970's yellow that came out of the space was touching the wall. When we pulled it there were two different layers of wallpaper and paint that had been installed around the toilet. They didn't even bother to remove the toilet for those jobs. I changed the leaking angle stop, then started steaming and removing the wall paper that remained on the wall behind the toilet. After some research, I figured it might contain asbestos, so decided to leave the the rest of the well attached wallpaper intact. I repaired the drywall where I'd removed the paper, skim coated then primed the whole wall, wet sponged to sand, then painted. Thankfully, you can't tell where the wallpaper ends and the drywall begins. Still need to paint the trim, but had to get this thing in as we'll have a full house for Christmas.