Scottsdale Art Auction, Martin Grelle, Offering to the River Spirit, oil, 48 x 60. Estimate: $200,000-$300,000.

Scottsdale Art Auction, Martin Grelle, Offering to the River Spirit, oil, 48 x 60. Estimate: $200,000-$300,000.

Scottsdale Art Auction, Martin Grelle, Offering to the River Spirit, oil, 48 x 60. Estimate: $200,000-$300,000.

Scottsdale Art Auction, Martin Grelle, Offering to the River Spirit, oil, 48 x 60. Estimate: $200,000-$300,000.

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