a supposed long-lost van Gogh painting is a fake, much to the chagrin of a notable New York art collector who’s fighting the determination in a new $300 million lawsuit.Stuart Pivar — who founded the New York Academy of Art with Andy Warhol in 1979 — says he found the work, which he believes is Vincent van Gogh’s “Auvers, 1890” at a country auction in March.Pivar has “every reason to believe [the painting] was an authentic work of art created by Vincent van Gogh,” his Manhattan Supreme Court lawsuit from Tuesday claims.But the Van Gogh Museum in Amsterdam said it could not authenticate the piece in a determination from Aug.
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