The rare first edition copy of the Constitution is one of 12 surviving copies.
A rare, first edition copy of the US Constitution is going up for auction on Nov. 18, and a crypto group called ConstitutionDAO is currently raising funds to buy it.
Sotheby's, which is conducting the auction, expects the copy to sell for between $15 million and $20 million. This copy of the US Constitution is an official first edition, which Sotheby's says is even rarer than a first edition of the 1776 Declaration of Independence.
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