Scratched on back of plate: 275; I.(?) G. Fenden at Brady's. Corners rounded. Transfer; U.S. War College; 1920; (DLC/PP-1920:46153). Forms part of: Daguerreotype collection (Library of Congress). Produced by Ma More
Evert Augustus Duyckinck, head-and-shoulders portrait, facing slightly left. Public domain scan of portrait print from Library of Congress, free to use, no copyright restrictions image - Picryl description