Two Printed Letters by Jerusalem Institutes, 1886 - Bibliographically Unknown

Printed letter by Jerusalem institutes, Erev Rosh Hashana 1886, with stamps and signatures:
• Kol M'Hechal – Letter before Rosh Hashana with a request from philanthropists "in the name of 87 students, Sephardim, Ma'arabim, Yemenites most of whom are orphans and children from needy homes". Beit Midrash Doresh Zion. A letter from the "head of the Mashgichim" Rabbi Yitzchak of Prague and letters of recommendation from "Famous rabbis of our generation", with a stamp of the institution (an illustration of the Western Wall). [Jerusalem, 1886].
• "The generous donors of the nation of the G-d of Avraham! - Sehr geehrter Herr!" – letter printed in Hebrew and German, attached to the calendar of the year 5646 (1886). Stamp of the Etz Chaim Talmud Torah and Yeshiva, stamp designed as the signature of the head of the yeshiva Rabbi "Moshe Nechemya Cohanav", and signatures of the gaba'im Rabbi "Zalman Chaim Rivlin" and Rabbi "Natan Greengart".
2 leaves, c. 28 cm. Varied condition, good to fair.
These leaves are bibliographically unknown and are not listed by S. HaLevi.