Charles M. Russell, Cavalry Mounts for the Braves, watercolor/gouache, 17 x 14. Estimate: $300,000-$500,000. ← Previous Next → Charles M. Russell, Cavalry Mounts for the Braves, watercolor/gouache, 17 x 14. Estimate: $300,000-$500,000. Charles M. Russell, Cavalry Mounts for the Braves, watercolor/gouache, 17 x 14. Estimate: $300,000-$500,000.