That looks like an amazing panel, congrats! I don’t know where people on here are getting these 2001s from, but I’m getting jealous lol! I usually collect old Edwards alarms, but the Simplex 2001 is one of the few non Edwards panels I really want. Along with some older Simplex ‘STR’ era stuff.
Anyways, someone else on here is also restoring a 2001, here is the link to the topic: