A letter from Rabbi Avraham Yitzchak HaCohen Kook regarding financial support for the Beit HaTavshil HaKlali. Dated: 22 Adar 1926 [March 8, 1926]. “As hundreds of our brethren who are supported by the institution raise their eyes to the actions of this shaliach mitzva, and hope that G-d will desire to grant him success in elevating this exalted institution…”. The letter was signed with the handwritten signature of Rabbi Kook and with his official stamp. Rabbi Avraham Yitzchak HaCohen Kook [1865-1935], first Ashkenazi Chief Rabbi of the Land of Israel, the spiritual father of religious Zionism. [1] official paper leaf, 28×21 cm. Fine condition.