Who cares what it says on the head stock. If you love the guitar and bond with it, play it. I use my Epi live sometimes and some guys can't believe it sounds that good. Do I like it more than my R7, no but sometimes I have more fun playing the Epi and that's alright by me.
I had a baked maple Studio Tribute that I loved and only got rid of it to upgrade my gear. This sight has some info on that guitar if you haven't seen it. http://www.gibsontraditional.com/models/gibson-les-paul-traditional-1960/ Congrats!
"Anyone else been in a similar situation of having a hard time letting go of a guitar, yet feeling like it's a waste to hold on to it if it's not getting the use it deserves? "
I have and the only way I would do it would be for a killer deal. Good luck whatever you do.