Imprinted Envelope, 3 ½” x 6”, “Speaker’s Room, House of Representatives, Washington, D.C.”  Addressed in an unidentified hand, to “Mrs. M.V. Dahlgren, 1325 Mass[achusetts] Av[enue], [Washington] City,” with a May 7, 1897 postmark and two-cent U.S. postage stamp at the upper right.

Born in 1825, Madeleine Vinton Dahlgren was a noted author and the surviving widow of U.S. Navy Officer John A. Dahlgren.