Two Letters by the Rebbe Rayatz of Lubavitch

Two Letters by the Rebbe Rayatz of Lubavitch
Two letters signed by the Rebbe Rayatz, R. Yosef Yitzchak Schneersohn of Lubavitch:
1. Letter handwritten by a scribe, with two lines handwritten and signed by the Rebbe Rayatz. Leningrad [St. Petersburg], Nissan 1927.
Sent to "Rabbi Yaakov" who apparently lived in Eretz Israel, with a request regarding "two volumes handwritten by the Rebbe the Tzemach Tzedek to give to our friend R. S. Z. Havlin" [R. Shlomo Zalman Havlin (1877-1936) was a prominent disciple of the Rebbe Rashab of Lubavitch, a leading teacher of Chabad Chassidism in Eretz Israel, founder and head of the Torat Emet Yeshiva in Hebron and in Jerusalem]. The letter ends with two lines handwritten and signed by the rebbe - a blessing signed "Yosef Yitzchak Schneersohn".
[1] leaf. 20 cm. Fair condition. Stains and wear. Folding marks. Large tear to folding mark, slightly affecting text.
2. Letter with a blessing for a "good and sweet year in materiality and in spirituality", by the Rebbe Rayatz, to R. David Levanon of Jerusalem [one of the directors of the Chabad Kollel in Eretz Israel]. Otwock (Poland), Elul 1937. The Rebbe's official stationery. Typewritten, with his signature.
[1] leaf. 24 cm. Good condition. Folding marks.