Image Colnect-733-448-Franciszek-Zwirko-and-Stanisław-Wigura-with-their-RWD6-ai.jpg

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Type: stamp Issuer: Poland Date: 1934 Denom: ? Visibility: public Image owner: none airmail 8/28/1934 30g graygrn d=Zwirko & airplane & Wigura ovpt=CHALLENGE//1934 oc=red on=4/15/1933-30g unwmk Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/733/448/Franciszek-Zwirko-and-Stanisław-Wigura-with-their-RWD6-ai.jpg Uploaded August 16, 2014, 6:10 pm by Stan Shebs