Oil On Board 39 x 31 1/2" Signed on verso, Mark Rothko 1955 . The Painting is in Good Condition. Provenance Washington DC Phillip Clark , A Certificate of Authenticity accompanied this lot. Mark Rothko (/ˈrɒθkoʊ/), born Markus Yakovlevich Rotkovich (Russian: Ма́ркус Я́ковлевич Ротко́вич, Latvian: Markuss Rotkovičs; September 25, 1903 – February 25, 1970), was an American painter of Russian Jewish descent. Although Rothko himself refused to adhere to any art movement, he is generally identified as an abstract expressionist. With Jackson Pollock and Willem de Kooning, he is one of the most famous postwar American artists.