Lock work is still in progress. (still filing away), but I took a small detour to test something that I think will make a big difference to the final look.
The original has iron mounting with lots of gold inlay. I have brass mounts, but especially as I intent to keep it fairly bright, I was concerned about it looking too yellow...and I wanted to get closer to the original if possible.
I don't have the skills to do inlay and I toyed with the idea of using silver leaf or maybe even keum-bo, but neither will really stand up to be handled and aren't easy to do that precise either. I then started looking at various plating solutions. Most diy solutions were too pricey/complex for a 1-off experiment, but then I found this:
https://goldensolution.co.uk/collections/silver-plating-solution-cyanide-free/products/silver-plating-solution-100mlConfirmed with the owner that I could use nail varnish for masking and ordered solution + wand (I have bench power supply already).
Experimented on a piece of scrap first to get the voltage right (3.0v in my case, 3.2v was turning it grey) and then masked up the entrypipe, as this would be the easiest to clean up, should it all go wrong.
But..it didn't!
The pictures don't really do it justice, but I'm very happy with this. Need to test durability, etc, but after masking it up, it's literally 5 minutes work, dunk it in acetone and wipe off the mask and done.
The only thing I want to differently next time is to find a less viscous and slower drying nail varnish. I'll probably pop into one of the nearby nail salons and ask...if nothing else, it'll be worth it for the reaction.
Edit:
I should just be able to use basic hobby style enamel paint. It'll have a much better consistency and drying time for this and should be easily removable with acetone too.