First off congrats on your first posts here on Net 54. There is a lot of info here.
You may want to start by reading this thread:
https://www.net54baseball.com/showthread.php?t=328137
In it you will see some other variations I gave to Bob Lemke when he was in charge of updates for the SCD Standard Catalog. Sadly since his passing no one has picked up the gauntlet as SCD seems unwilling to do any updating.
To answer some of your questions, the Brown with and without piping is known. There are others like it as well.
The rare Ed Bailey coin is NOT one of the three you show. You can see one here:
https://bid.robertedwardauctions.com...e?itemid=40139
As you will see beside the cut shoulder it has been labeled as "C" level with the ear.
Hope this helps answer some of your questions