A judge has ruled that a 1915 letter, unique both for being in Hebrew and for its contents, does not have to be returned to the Jabotinsky Institute
https://www.haaretz.com/israel-news/2022-11-02/ty-article/.premium/israeli-court-rules-trumpeldor-letter-can-stay-in-private-hands/00000184-33aa-d636-a9ed-ffbb7f5f0000