That is a very nice blade. If I had to guess, I would say that the whole thing was put together post Qing, but that the blade is a good older example. The set I have is similar, but not in as nice condition. The snake skin appearing scabbard reminds me of late 20th c. things sold commonly, so it might be a later refurbishment, or the later example may have been copying ones like yours.
Either way, the blade is a nice genuine example and the fittings are appropriate and matching. My guess is it was all put together around 1930 for the tourist trade, but using a good quality surplus Qing blade.
Nice find
Josh