Or Ne'elam - responsa / Or lo BeZion -Innovations on the Shas by Rabbi Yitzchak Zekil Ethoizen, Av Beit Din of Peppers And all Schwaben countries. Answers from the greatest of the Achronim were printed in the book: Rabbi Yehonatan Iveshitz, Ba'al Pnei Yehoshua, Ba'al Knesset Yechezkel, Ba'al Shev Yaakov and more. Karlsruhe 1765, first edition.
[1] 38, [2] 41 leaves. Nice old cover. Very good condition.