I’d go to Central Wheels for the rims and spokes, and then build them myself, if I were you. CW had a poor name for customer service up to about three years ago (I also had experience of this) but a new manager seems to have transformed the service level.
So buy the parts from them and rebuild it yourself. Very therapeutic, and you also know that the rims have the correct off-set as you can do the final tweaking with the wheel mounted in the bike.
On old bike runs, it’s disconcerting to see how many restored bikes have the wheel rims out of line, but that can be the result when using wheel-builder’s info rather than the actual bike it’s to be used on.