Ner Mitzvah V'Torah Or, Part I – Shaar HaEmunah, and Part II – Shaar HaYichud, by Rebbe Dov Ber Shneuri, the Mitteler Rebbe of Lubavitch. Kopust (Kopys): R. Yisrael son of R. Yitzchak Yoffe (prominent disciple of the Baal HaTanya), 1820.

First edition, printed in the lifetime of the author, the Mitteler Rebbe of Lubavitch.
The book comprises two parts. The first part is entitled Shaar HaEmunah, and discusses the topics of the Exodus from Egypt, the eating of Matzah and the Splitting of the Sea. The second part, named Shaar HaYichud, contains a concise explanation of the kabbalistic notions of Hishtalshelut HaOlamot and Sefirot.
Ownership inscription on final page.

4, [7], 133, [1]; 57 leaves. 16.5 cm. Mostly printed on greenish paper. Fair condition. Many dark stains. Creases and wear. Tears and worming, affecting text. Marginal open tears to title page and other leaves, repaired with paper (with text replacement). Inscriptions. New binding.