As Van Meegeren produced more and more Vermeers, there were more and more Van Meegeren Vermeers to “authenticate” the new ones that came on the market. […] Forgeries used to authenticate other forgeries by the same forger, and in the case of Van Meegeren, forgeries that helped increase the sale price of later forgeries in the same style.
—from the article entitled ‘Bamboozling Ourselves’ by Errol Morris concerning art forger Han van Meegeren