Olaf Carl Seltzer, Blackfoot Scout, watercolor, 8 x 6. Estimated: $6,000-$9,000.

Olaf Carl Seltzer, Blackfoot Scout, watercolor, 8 x 6. Estimated: $6,000-$9,000.

Olaf Carl Seltzer, Blackfoot Scout, watercolor, 8 x 6. Estimated: $6,000-$9,000.

Olaf Carl Seltzer, Blackfoot Scout, watercolor, 8 x 6. Estimated: $6,000-$9,000.

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