Collection of documents and signatures of Rabbis of Merkaz HaRav and Rabbis who were close to Rabbi Kook

A. A contract between Yeshivat Merkaz HaRav and Rabbi Kook, signed by Rabbi Kook's son and two sons-in-law and another relative. 1942
The signatories include Rabbi Tzvi Yehuda HaCohen Kook and Rabbi Shalom Natan Raanan-Kook. The seal states, "In the name of the Central Universal Yeshiva, Merkaz HaRav, Jerusalem." The payment is to be to R. Yisrael Shimon Rabinovitz-Teomim, their brother-in-law, the director of Merkaz HaRav. On the back are signed Rabbi Avraham Moshe Rabinovitz-Teomim, representing his brother R. Yisrael Shimon.
The great Rabbi Tzvi Yehuda HaCohen Kook (1891-1982), was son and student of Rabbi Kook. He was the Dean of Yeshivat Merkaz HaRav and the guiding light of Religious Zionism for decades.
Rabbi Shalom Natan Raanan-Kook (1900-1972) was a rabbi in Merkaz HaRav and a director there. He was Rabbi Kook's son-in-law and added Rabbi Kook's name to his own.
Rabbi Yisrael Shimon Rabinovitz-Teomim (1883-1968), son of the Aderet (Rabbi Eliyahu David Rabinovitz-Teomim). A founder of the city of Bat Yam and its first elected mayor. He married his niece, daughter of his sister Elta Bat-Sheva and her husband Rabbi Kook.
Rabbi Binyamin Avraham Moshe Rabinovitz-Teomim (1879-1965), another son of the Aderet, was Rabbi Kook's secretary.
B. A business card of the great scholar Rabbi Yaakov Moshe Charlap, Dean of Yeshivat Merkaz HaRav.
C. An envelope imprinted with the logo "Avraham Yitzchak HaCohen Kook, the Chief Rabbi of the Land of Israel and President of the Rabbinical Court… Jerusalem." With an English notation in his handwriting.
Condition: Good-Very Good.