a roy lichtenstein masterpiece mirror 5 from the collection of philanthropist and art patron agnes gund will be a highlight at christie’s sale of 20thcentury art this evening in new york   a portion of the proceeds from this sale—estimated between us35 million and us55 million—will benefit groundswell fund a womenofcolorled organization in the us that supports the reproductive justice movement another unspecified portion will be donated to ywca of kalamazoo mich which aims to provide voter education on reproductive rights on election day nov 8