Martin Grelle, Tracks Along the River (1998), oil, 36 x 48. Estimate: $100,000-$150,000.

Martin Grelle, Tracks Along the River (1998), oil, 36 x 48. Estimate: $100,000-$150,000.

Martin Grelle, Tracks Along the River (1998), oil, 36 x 48. Estimate: $100,000-$150,000.

Martin Grelle, Tracks Along the River (1998), oil, 36 x 48. Estimate: $100,000-$150,000.

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