Humboldt, Alexander von, German naturalist and explorer (1769-1859). Autograph letter signed ("A Humboldt").

Paris, 1821.

Small 8vo. 1½ pp. on folded double leaf. Addressed by Humboldt on another side, and with "M. de Humboldt".

 1.800,00

In French, to a Paris bookseller, ordering several volumes.

Folded, with remnants of a wax seal and corresponding abrasion where unsealed; few marks.