Two boxes of glass negatives bought at a garage sale for US$45 have been authenticated as early photographs taken by landscape photographer Ansel Adams. The 65 negatives, believed to have been exposed between 1919 and the early 1930s, were recently appraised at up to US$200 million, based on the sales that could be generated from selling original prints and, presumably, the intrinsic value of the negatives themselves.

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