article_snippet: An oil painting has been proven to be one of Claude Monet's - after scientists discovered the artist painted over the artist own signature.
article_snippet: The 1891 painting, titled 'A Haystack in the Evening Sun', was largely unknown and A Haystack in the Evening Sun origin had never been verified.
article_snippet: An 1891 oil painting - titled 'A Haystack in the Evening Sun' - has been proven to be one of Claude Monet's despite An oil painting his own signature .
article_snippet: An oil painting is thought to be part of a wider series by Claude Monet's with all the pieces illustrating stacks of hay in fields after the harvest season.
article_snippet: It is thought to be part of a wider series by Claude Monet'sabove) with all the pieces illustrating stacks of hay in fields after the harvest season .
highlights_snippet: Oil-painting titled 'A Haystack in the Evening Sun' is from 1891 .
  