Hand-addressed mailing envelope, 4.5 x 3, addressed entirely in Wagner's hand, "John D. Baldwin, Esq., Worcester, Massachusetts, U.S.A.," postmarked Berlin, April 27, 1870. In very good condition, with trimmed edges, a tear to the lower left corner, and light staining and soiling. Accompanied by a carte-de-visite portrait of Wagner with reverse annotated in another hand. John Denison Baldwin was an American politician, Congregationalist minister, newspaper editor, and popular anthropological writer, who was a member of the Connecticut State House of Representatives and later a member of the US House of Representatives from Massachusetts.
