2021 Auction House Collateral 
WorthPoint
JUNE 10, 2025
At the time, the price for the entire collection was $23 million, and the foundation had to take a bank loan, with the collection as collateral, to complete the purchase. That might have been the end of the story, but there would be more developments , all of which led to the recent auction of the Taper Collection.
The Art Newspaper
JULY 1, 2025
The previous record for a copy of the 13th Amendment at auction was $2.4m, set in 2016, while the previously most valuable copy of the Emancipation Proclamation sold at auction in 2010 for $3.8m, both at Sotheby’s, according to the auction house. Besides art and dinosaur bones , he has a penchant for historic manuscripts.
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