Julian Onderdonk, Autumn at the Farm, oil, 16 x 24. Estimate: $15,000-$25,000. ← Previous Next → Julian Onderdonk, Autumn at the Farm, oil, 16 x 24. Estimate: $15,000-$25,000. Julian Onderdonk, Autumn at the Farm, oil, 16 x 24. Estimate: $15,000-$25,000.