Airmail envelope front. Addressed to: Dr. Mina Kaufmann c/o Engel 664 [?] Norfolk [?] Ave [crossed out/corrected] 4006 Norfolk Ave. Baltimore, Maryland Stamps: Two Deutsches Reich postage stamps (Hindenburg portraits — purple/violet and brown). "MIT LUFTPOST / PAR AVION / BY AIR MAIL" label at lower left. Address has been corrected, with some portions crossed out with diagonal red lines.
Envelope