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Rare Detroit rock items up for bidding from collection of Mary Cobra

9 verified updates • corroborated by 2 independent sources • tracked since September 12, 2026

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  Sep 12, 01:00 PM 1 source: Detroit Free Press

  Rare Detroit rock items up for bidding from collection of Mary Cobra
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  Sep 12, 05:00 PM 1 source: freep.com
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  Sep 12, 05:30 PM 1 source: Detroit Free Press
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  Sep 12, 09:00 PM 1 source: freep.com
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  Sep 12, 10:00 PM 1 source: Detroit Free Press
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  Sep 13, 09:00 AM 1 source: freep.com
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  Sep 13, 10:00 AM 1 source: Detroit Free Press
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  Sep 13, 11:30 AM 1 source: freep.com
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  Sep 13, 12:00 PM 1 source: Detroit Free Press