

Nahum Sokolow (1859-1936) was a multi-lingual journalist, editor of the Warsaw periodical Ha-Zefirah, author of one of the earliest accounts of Zionism, Secretary General of the World Zionist Organization from 1907-1909, head of the Zionist delegation at the Paris Peace Conference in 1919, President of the World Zionist Organization from 1931-1935, and honorary President till his death.
Leszno Street in Warsaw, signed as the address of the suppliers of this piece, would later be one of the main thoroughfares of the Warsaw Ghetto.