Thinking about what this flag witnessed makes me shudder, as the auction catalogue describes the tattered flag as having "some fraying, splits, and tears; some running of color; staining, including, evidently, blood stains; with losses from both battle and souvenir-takers." Sotheby's expects this piece to fetch $2-$5 million. If you'd like to read more about the lot, or have the cash to place a bid, check out Sotheby's page on the item.

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A man looks at "Custer's Last Flag" at Sotheby's auction house Dec. 3, in New York City. The flag, one of the few remnants of the famous 1876 battle in which General George Custer and his men were slaughtered by a band of Native American warriors after he staged a misgiuded attack, is billed as "the most significant and symbolic artefact recovered from the Little Bighorn battlefield" and is scheduled to be auctioned on December 10.