"First Day Cover: Israeli Celebration of Janusz Korczak"
White envelope with an illustration of a book with Hebrew text and a stamp with facial hair.
Information Provided by Michael D. Bulmash: Israeli First Day Cover commemorating the life of Janusz Korczak.
"First Day Cover: Israeli Celebration of Janusz Korczak" (1962). Bulmash Family Holocaust Collection. 2012.1.126.