Rav Simcha Zissel Ziv, The Alter of Kelm

A visitor forget his cane in Beis HaTalmud (the Alter’s yeshiva in Kelm).  When he returned for another visit thirteeen later, having lone since despaired of recoving the cane, he found it hanging in the same spot where he had left it.

From Sparks of Mussar by R Chaim Ephraim Zaitchik