Cubism, impressionism, expressionism and... Is there anything else? Many artistic currents did not achieve such renown, but were undoubtedly central to the development of 20th-century avant-garde art.

30 x 40 in. (76.2 x 101.6 cm.), Frame: 31 x 41 in. (78.7 x 104.1 cm.) ...

You might not think so when you read headlines about a Van Gogh failing to sell at auction, but Impressionist and modern art are booming alongside contemporary art. So much so that good Impressionism ...

20 x 23 1/2 in. (50.8 x 59.7 cm.), framed: 26 3/4 x 30 1/2 in. (67.9 x 77.5 cm.) ...