Fine Art › Raw Umber Sketch - 9x12 Image 1 of 3 Image 2 of 3 Image 3 of 3 Raw Umber Sketch - 9x12 $150.00 Original 9x12in. oil painting on canvas, unframed. Signed Byron in lower right corner. Add To Cart Added! Original 9x12in. oil painting on canvas, unframed. Signed Byron in lower right corner.