C.M. Russell, Rivals, watercolor, 15 x 12. Estimate: $75,000-$110,000.

C.M. Russell, Rivals, watercolor, 15 x 12. Estimate: $75,000-$110,000.

C.M. Russell, Rivals, watercolor, 15 x 12. Estimate: $75,000-$110,000.

C.M. Russell, Rivals, watercolor, 15 x 12. Estimate: $75,000-$110,000.

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