"The...?" William gestured at the disc and pursed his lips. "Not that I know of, but I'm seeing it for the first time. Patrick was the one who sent it to the headmaster, so maybe he would have more answers."
Ordinarily he'd want to study it more closely, turn it over in his hands and take impressions and look for details, but this particular object left him with no desire whatsoever to come into contact with it. "I don't think it's that old, though," he hazarded cautiously. "Anything actually dating from Elder Futhark would be more weathered. This wood looks fresh." He gestured from a safe distance at the wooden disk, which looked like a slice taken from a tree branch. "And the threads would have worn away. Unless they're charmed to last, which is obviously possible."