Autograph letter signed ("Ch. Darwin").
Down, Beckenham, Kent, 23 January (no year).
8vo. 1 page on bifolium.
$25,122.00
To a "dear Sir", politely rejecting a proposed translation: "I am much obliged for your offer, but I have already agreed with Herr Koch & Prof. Victor Carus for a Translation [...].
On headed stationery of Down House. Small traces of former mounting on reverse.