Quote Originally Posted by fyrffytr1 View Post
I edited your photo a little to show it in it's correct orientation. It is a 3 piece button which makes me think some kind of staff officers one. It does look like a script C S on it. You are right, the back is toast but I think that might be N Y at the 2-3 o'clock position. I'll see what I can find.
Thanks a lot for working on figuring it out!