Description

1943 (May 3) Sepia coloured picture postcard entitled “Madrid – Palacio de la Telefonica” to Zurich bearing 3 x 5c + 10c + 20c making 45c rate tied Madrid-Central cds & with violet framed Censura Gubernativa /Madrid + unframed 37 + red circular Obercommando der Wehrmacht /Eagle Swastika /X Gepruft X applied by Germans in Paris & with grey chemical swipe testing for hidden messages