Letter from Admor Rabbi Yosef Yitzchak Schneersohn of Lubavitch. New-York, 1941. [1] leaf. With his signature. Admor Yosef Yitzchak Schneersohn (1880-1950) was the sixth Admor of Chabad-Lubavitch, and was known as the ‘Rayatz’. He became Admor in 1920. In 1950, he moved to the USA and established his Chassidut. Very fine condition.