Strange... perhaps its condition was restored thanks to your summoning? [She's never heard of such a thing happening before, but hey. She doesn't know everything about the Holy Grail War. Just what the Grail wants her to know.]

Though that doesn't explain one of my possessions. I left no relics behind. None that I knew of, at least.

[It's possible the English or the Burgundians kept her sword or armor once she was captured, but that's pretty unlikely...]