Name/Title
F09_P09: Undercover Address Rua Alexandre Herculano, 41, LisbonEntry/Object ID
2007.9.9Scope and Content
1943 December 2, envelope from Warsaw to Rua Alexandre Herculano, undercover address.Context
Rua Alexandre Herculano, 41, Lisbon, Portugal, was the undercover address for the Polish Red Cross headquarters in London.
This December 2, 1943, envelope from Warsaw to the Rua Alexandre Herculano, 41, undercover address was scrutinized by the German censors at Munich, who searched for secret writing in invisible ink before passing it. A Lisbon transit marking is dated December 14. When the envelope reached London, four different files - records of the Red Cross, the Postal Section, the Department for Families of Army Personnel, and the Section for Social Welfare of the Air Force Inspectorate - were searched for the recipient's location before it was finally delivered to Polish Naval Headquarters, a successful clandestine communication that slipped past the Nazis in spite of their attention to detail.Collection
Nazi Scourge I: Primary ExhibitionLexicon
Nomenclature 4.0
Nomenclature Secondary Object Term
EnvelopeNomenclature Primary Object Term
Container, DocumentNomenclature Sub-Class
Writing AccessoriesNomenclature Class
Written Communication T&ENomenclature Category
Category 06: Tools & Equipment for CommunicationArchive Details
Date(s) of Creation
1943 - Dec 1943Primary Language
English, Polish, GermanEthnography
Cultural Region
Region
Central Europe, Western EuropeContinent
EuropeDimensions
Dimension Description
Measurement of the full length and width of the archive.Width
3-5/8 inLength
7-1/16 inRelationships
Related Places
Place
City
Warsaw, LisbonCountry
Poland, PortugalContinent
EuropeRegion
Western EuropeGeneral Notes
Note Type
Cataloging NoteNote
C. Walrich - Updated (Jan 22 2026)
C. Walrich - Updated Title (Feb 26 2026)
C. Walrich - Back-Up Material (Mar 12 2026)
C. Walrich - Back-Up PDF (May 7 2026)