Martin Grelle, Scouts on the Buffalo Fork, oil, 40 x 48, at the Jackson Hole Art Auction. Estimate: $75,000-$125,000.

Martin Grelle, Scouts on the Buffalo Fork, oil, 40 x 48, at the Jackson Hole Art Auction. Estimate: $75,000-$125,000.

Martin Grelle, Scouts on the Buffalo Fork, oil, 40 x 48, at the Jackson Hole Art Auction. Estimate: $75,000-$125,000.

Martin Grelle, Scouts on the Buffalo Fork, oil, 40 x 48, at the Jackson Hole Art Auction. Estimate: $75,000-$125,000.

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