Wow, you really did your homework and followed up with outstanding craftsmanship. BTW, I found some very good piano wire wheels from Le Mans, intended for the Bugatti Tank slot racer, which I got for the AMT and Matchbox T59 kits. I also got a great set from Italy for the Bburago 1/18 diecast kit, but he stopped making them.
http://www.gts-series.com/en/spare-parts/wheels/1-32/set-of-wheels-type-bugatti-57-or-59-6524.xhtml