Millard Sheets, Desert Spring Textures, watercolor, 22 x 30. Estimate: $20,000-$30,000. ← Previous Next → Millard Sheets, Desert Spring Textures, watercolor, 22 x 30. Estimate: $20,000-$30,000. Millard Sheets, Desert Spring Textures, watercolor, 22 x 30. Estimate: $20,000-$30,000.