Danzig overprints (airmail issues)

Fischer 44-46 | Michel 50-52 | Year of issue 1920

Danzig stamp No. 6 additionally overprinted with a double decker airplane (Nos. 44 and 45) or a posthorn with wings (No. 46). The additional overprint colour of Nos. 44 and 46 are dark lilac ultramarine and the additional overprint on No. 45 is dark brown red.

Fischer 44
Michel 50
Fischer 45
Michel 51
Fischer 46
Michel 52