However, I did contact the seller and asked about the hardware. He was willing to sell, so I went to take a look. Unfortunately, the brass knobs were modern. But the brass push plates were the real deal. I picked up all the seller had (five) for £10. They are so ornate and lovely!
The plates were quite tarnished, and it took at least an hour per plate to bring back the shine. Plenty of time to get to know all the details.
Now our doors have some original (to the neighborhood) push plates.