Yet Another Copy of La belle noiseuse

Copyright Infringement. Watercolor on paper, 1987, signed and dated bottom left. We have no reasons to believe this work was made by Constant (1920-2005). Was send to us for authentication by a renowned Dutch auctionhouse. The collector was informed of our opninion but offered the work on Marktplaats a year later anyway. We have no idea of the current whereabouts of this work.