ca. 1941

[Possible/Probable] “Jewish Dress Code” [Germany / Occupied  Poland/Lithuania/Latvia/Estonia/Soviet Union] 
Commentary from other sources:
1) “Jewish Poles in German-occupied Soviet-annexed Poland, Jewish Lithuanians, Latvians and Estonians as well as Soviet Jews in German-occupied areas were obliged to wear white armbands or yellow badges.”

“Yellow badge;” wikipedia.org