Autograph letter signed ("A Humboldt").
Paris, 1821.
2 pp. on bifolium, approx. 100 x 115 mm. 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.
