Can anyone identify that stepped seat?
Regarding chopping. My neighbor took me with him to see the Norton I eventually bought. It was complete and stock. He said if he got it, he would have taken an angle grinder to it. I am all for freedom of expression but when you have something so complete, I don't get the appeal of mutilating it. Get a basket case and bring it back from the dead in any form you choose. But when you have a live one, let it live. IMO.
EDIT: Now that I look at the seat closer, it appears to be the standard seat that was modified.