[John Y. Mason, half-length portrait, nearly facing front]

Democratic Congressman from Virginia, 1831-1837; Secretary of the Navy, 1844-1845, 1846-1849; U.S. Attorney General, 1845-1846; U.S. Minister to France, 1854-1859.Identification from picture in The Green Bag, 1898, page 115.Scratched on back of plate: 105; Jno. Y. Mason.Original served by appointment only.Produced by Mathew Brady's studio.Transfer; U.S. War College; 1920. (DLC/PP-1920:46153).Forms part of: Daguerreotype collection (Library of Congress)