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| "An Old Woman Praying", 1655. by Nicolaes Maes (1634-1693) |
An X-Ray of "An Old Woman Praying", 1655. by Nicolaes Maes (1634-1693) reveals that it was painted over another "Portrait of a Woman".
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| X-Ray of "An Old Woman Praying", 1655. by Nicolaes Maes |
