Hard to tell from the photo, but the faucet could be a Rohl, which would be within the style and budget for this gloriously restored historic home:
Rohl U.3705L-2 Perrin and Rowe Low Lead Widespread Bathroom Faucet with Metal Lever Handles and Pop-Up Drain
http://www.faucetdirect.com/rohl-u-3705l-2-perrin-and-rowe-low-lead-widespread-bathroom-faucet-with-metal-lever-handles-and-pop-up-drain/p1143863
:) Rhoda