Our fireplace getting closer and closer to living up to its potential: no-wiring sconces!

I've been updating our fireplace little bit by little bit the past two years we've lived here. It's original to our home and I'm not considering any huge changes (see all its iterations here), but it has felt a little plain for the huge, long wall of the living room it stands on.
I debated sconces for a long, long time but finally added some (fully functional, no wiring!) and am very happy with it!
No-wiring sconces on our historic fireplace
I thought about more modern versions because I love our m...