Top: Book order card sent by a Danzig publisher located on the Langgasse to a Baden printer, with slogan cancel, 1.6.37.
Below: Official card printed on both sides in Prussian blue, advertising the availability of the DAPOSTA 1937 blocks at show counter for 2 Gulden dated 24 May.
Danzig Report Vol. 1 - Nr. 61 - October - November - December - 1988, Page 9.
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