Kenneth Riley, Hidasta Tribesmen, oil, 40 x 32. Estimate: $100,000-$125,000. ← Previous Next → Kenneth Riley, Hidasta Tribesmen, oil, 40 x 32. Estimate: $100,000-$125,000. Kenneth Riley, Hidasta Tribesmen, oil, 40 x 32. Estimate: $100,000-$125,000.