Martin Grelle, Trailride in Chisos Basin, oil, 30 x 40. Estimate: $10,000-$20,000.

Martin Grelle, Trailride in Chisos Basin, oil, 30 x 40. Estimate: $10,000-$20,000.

Martin Grelle, Trailride in Chisos Basin, oil, 30 x 40. Estimate: $10,000-$20,000.

Martin Grelle, Trailride in Chisos Basin, oil, 30 x 40. Estimate: $10,000-$20,000.

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