If you need a backing plate for these, contact me.
BTW, those backing plates that Rene Herse sells are from my Atelier. Jan ran out, I had a boatload of them from the centerpull braze-on conversions I do. I should still have a few.
These are what I sent up to Seattle:
Traded Jan for a bunch of centerpull braze on posts, so it was win-win