The secretary saluted. As she did so, the chief took the sword lying on the table in his hand. “...This is the Noble Phantasm we confiscated from him?”
“Yes, sir. It doesn’t appear to be anything more than an ornamental sword... but that might be because its true name has not been released.”
“No, this really is just an ornamental sword. I can’t sense even a speck of magical energy.” When he reached that point, a sudden realization struck the chief.
“...Just now, when he assumed spirit form, did this sword disappear?”
“I can’t say, sir... I was distracted by the monitor as well, and didn’t notice.” “Hmm...”

Fate/Strange Fake: Volume 2, Chapter 3 ("Day 1, Early Dawn")