Gregor Johann Mendel (Free City of Danzig 1939)

29 April (Free City of Danzig ) within release Portraits of Mendel, Koch and Röntgen goes into circulation Stamp Gregor Johann Mendel face value 10 Danzig pfennig

Stamp Gregor Johann Mendel in catalogues
Michel:	Mi:FSD 306
Polish Stamps Catalog (Fischer):	Pol:FSD 304

Stamp is vertical format.

Also in the issue Portraits of Mendel, Koch and Röntgen:

• Stamp - Gregor Johann Mendel face value 10;
• Stamp - Robert Koch face value 15;
• Stamp - Wilhelm Conrad Röntgen face value 25;