The was an auction show about RIA on TV a month or so ago, they were consigned a "1 of 100" or some such, Winchester levergun. IIRC, it had been in the family 70 years, photographed for a book, etc.

RIA vetted it carefully as it was expected to bring several hundred thousand dollars. Just before they went to press with the auction catalog, it was found to be a fake. Ouch