Letter by the Ga’on Rabbi Michel Yehuda Lefkowitz, to his rabbi and mentor the Ga’on Rabbi Isser Zalman Meltzer. “Zichron Meir, Bnei Brak”, Adar (1949). Interesting letter regarding revisions to Rabbi Isser Zalman’s approbation to book "HaMekach VeHaMimkar" with commentary "Emek HaSha’ar", published by Rabbi Michel Yehuda Lefkowitz during that period.
2 pages, 24 cm. Good condition. Postage envelope from previous letter sent by Rabbi Michel Yehuda to Rabbi Isser Zalman attached.