German naturalist and explorer (1769-1859) who wrote Kosmos, a massive five-volume study which attempted to unify the various branches of man's knowledge. ALS in French, signed “Humboldt,” one page, 4.5 x 7.25, no date. Untranslated letter to LouisFreycinet, a French navigator who in 1811 published the first full outline of the coast of Australia. Addressed on the reverse of the second integral page in Humboldt's hand. In fine condition, with seal-related paper loss to the integral address leaf. A desirable piece of correspondence between scientific colleagues.
This item is Pre-Certified by PSA/DNA
Buy a third-party letter of authenticity for
$35.00
*This item has been pre-certified by a trusted third-party authentication service, and by placing a bid on this item, you agree to accept the opinion of this authentication service. If you wish to have an opinion rendered by a different authenticator of your choosing, you must do so prior to your placing of any bid. RR Auction is not responsible for differing opinions submitted 30 days after the date of the sale.
