Picture postcard 'Unsere Kolonien. Series VI. 5th; Optical telegraphy with a heliograph; Heliograph department in Dar-es-Salam;nSender: Neue Photographische Gesellschaft AG (NPG) [publisher];nInscription: Verlag den Neuen Photographischen Gesellschaft A.G. Steglitz-Berlin.; reverse

Picture postcard no. 25;nSender: Lord Brothers [publisher];nLabel: P. de Lord Brothers, Zanzibar. No. 25; reverse side

Picture postcard;nArt publisher C. Vincenti, Dar es Salaam [publisher];nLabel: Original photograph and publisher by C. Vincenti, Dar es Salaam; front

Picture postcard;nSender Aust, Albert [publisher];nLabelling: Verl. v. Albert Aust, Hamburg; front side

Picture postcard of the Imperial German Post Office in East Africa;nunknown sender Kunstverlag C. Vincenti, Dar-es-Salaam [publisher];nLabelling: Original photograph and publisher by C. Vincenti, Dar-es-Salaam; front

Picture postcard no. 11;nSender: Coutinho Bros [manufacturer];nLabeling: Coutinho Bros, Photographer. Dar-es-Salaam; front side

Picture postcard no. 386;nSender: Kunstverlag Walther Dobbertin [publisher];nLabel: Verlag Walter Dobbertin, Dar es Salaam u. Tanga No. 386; reverse

sender;

Picture postcard no. 94;nSender: Kunstverlag C. Vincenti, Dar es Salaam [publisher];nLabelling: Kunstverlag C. Vincenti, Dar es Salaam, D.-O.-Afrika. Ges. geschützt.; reverse side

Picture postcard;nSender: Santos, I.M. [publisher];nLabel: I.M. Santos; front

Picture postcard no. 25;nSender: Kunstverlag Walther Dobbertin [publisher];nLabeling: Verlag Dobbertin, Dar-es-Salaam. 1906 No. 25; reverse

Picture postcard no. 15;nSender: Kunstverlag Walther Dobbertin [publisher];nLabel: Verlag Dobbertin, Dar-es-Salaam. 1906 No. 15; reverse

Sender Vincenti, C. [photographer] Kunstverlag C.Vincenti, Dar es Salaam [publisher];nLabel: Orig.-Aufnahme u. Verlag v. C. Vincenti, Dar-es-Salam; Vorderseite

Sender Vincenti, C. [photographer] Kunstverlag C.Vincenti, Dar es Salaam [publisher];nLabeling: Original and publisher by C. Vincenti, Dar es Salaam; front

Sender Vincenti, C. [photographer] Kunstverlag C. Vincenti, Dar es Salaam [publisher];nLabeling: Original and publisher by C. Vincenti, Dar es Salaam; front

Picture postcard from the series 'Deutsche Schutzgebiete', No. 4;nGerman Colonial House, [publisher];nLabeling: Verl. u. Eigent. d. Deutsches Kolonialhaus Berlin, C 19 Ges. geschützt Must. No. 4; front side

Küstenfunkstelle Daressalam;nTelefunken Gesellschaft für drahtlose Telegraphie mbH (1923 - 1955) [publisher];nWith ink: Telefunken-Station Daressalam; reverse stamp: Gesellschaft für drahtlose Telegraphie m.b.H. Berlin S.W. 61, Tempelhofer Ufer 8; reverse stamp: Reichs-Postmuseum; reverse in pencil: Sender; reverse

Küstenfunkstelle Daressalam;nTelefunken Gesellschaft für drahtlose Telegraphie mbH (1923 - 1955) [publisher];nWith ink: Telefunken-Station Daressalam; reverse stamp: Gesellschaft für drahtlose Telegraphie m.b.H. Berlin S.W. 61, Tempelhofer Ufer 8; reverse stamp: Reichs-Postmuseum; reverse in pencil: Maschinen und Schalttafel; reverse

Küstenfunkstelle Daressalam;nTelefunken Gesellschaft für drahtlose Telegraphie mbH (1923 - 1955) [publisher];nWith ink: Telefunken-Station Daressalam; reverse stamp: Gesellschaft für drahtlose Telegraphie m.b.H. Berlin S.W. 61, Tempelhofer Ufer 8; reverse stamp: Reichs-Postmuseum; reverse in pencil: 100m mast for the [illegible] antenna; reverse

Küstenfunkstelle Daressalam;nTelefunken Gesellschaft für drahtlose Telegraphie mbH (1923 - 1955) [publisher];nWith ink: Telefunken-Station Daressalam; reverse stamp: Gesellschaft für drahtlose Telegraphie m.b.H. Berlin S.W. 61, Tempelhofer Ufer 8; back stamp: Reichs-Postmuseum; back in pencil: Empfänger; Rückseite

Imperial German Reichspost (1871 - 1918);