Printed pamphlet, "Petach Einayim – the last pamphlet of the great wonderful book Shvirat Luchot Ha'Aven", by Rabbi Ya'akov Emden. [Altona, 1757?]. Printed by Rabbi Ya'akov Emden in his printing press in Altona, as part of his famous battle against Rabbi Jonathan Eybeschutz whom he suspected of following Sabbatai Zevi. Throughout the pamphlet are heavy accusations and caustic derogatory words, with examples from the amulets written by Rabbi Yehonatan Eybeschutz. Printed without title page. 16 leaves. 20 cm. Fair-good condition. Dark-colored leaves, stains and wear. New binding.