Sold For $434
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German naturalist who wrote Kosmos. ALS signed “A. Humbolt,” one page, 5.25 x 8.25, January 25, 1854. Indecipherable letter written to an associate while staying in Potsdam. Intersecting mailing folds, a few creases, and a bit of light toning, otherwise fine condition. R&R COA.
