That would be 2,000 or more.
The "didn't sign" list means, potentially, that 50 people simply ran between all the polling stations, filled out forms, and voted. With no signature, there will not be a signature comparison.
We're waiting for the howling from the media. The Waukesha County Clerk lost her job WITHOUT having done anything wrong (stupid, but not wrong.)
The Racine City Clerk? Incompetent is a kind word; this could be huge vote-fraud. And on HER WATCH.