Autograph Letter Signed, to Henry Graves, the printseller, sending one of his etchings for Graves only, not to be exhibited without permission. 1 page 7 x 4 inches, with the address leaf, filing holes, otherwise good. Undated. Thomas Landseer (1795-1880), engraver, brother of Sir Edwin Landseer. The popularity of Sir Edwin Landseer’s work owed much to his brother’s engravings.