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  5. 1968 G/G-680301 Big Brother Janis Joplin Grande Ballroom Detroit Postcard Extra Fine 69
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The September 2025 Mega Concert Poster Auction (#268) 09/26/2025 6:00 PM EDT - 10/02/2025 10:37 PM EDT

Starts Ending 10/02/2025 9:00 PM EDT

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