50A, Albemarle Street, London. W.
Oct. 12 1875
My dear Sir
The charge for 500 sets of the Heliotype Illustrations, in your work on Expression is £37.10.0 on paper the same size as our edition1
Yours faithfully | Robt. Cooke
Chas. Darwin Esq
Please cite as “DCP-LETT-10192,” in Ɛpsilon: The Charles Darwin Collection accessed on