A holy letter from the posek hador, the prince of Torah, the Raavad of Yerushalayim shlit"a, to Rabbi Yisroel Aharon Kletzkin shlit"a, stating that the signature against him, which was extracted from him years ago by the wicked "Sikrikim," is null and void

"..They simply pressured me, saying that as Raavad I am obligated to approve and join.."
"..Now my signature is null and void.."