Early 20th century binding, probably done betwen 1920 and 1940, undertaken for the Monastery by a local bookbinder. Mixed binding, with brown leather on spine and marbled paper on covers. Gilt decoration and gilt titling "ΕΠΙΣΤΟΛΑΙ ΑΜΟΙΒΑΙΑΙ" and "ΙΕΡ. Π.[?]" on spine. Paper label with manuscript number "33" on spine. Binder's label on the upper left corner of the front pastedown: "ΦΙΛΙΠΠΟΣ Ν. ΡΑΔΟΣ, ΒΙΒΛΙΟΔΕΤΗΣ. - Ι.Μ.Υ. ΠΑΛΑΙΟΚΑΣΤΡΙΤΙΣΣΗΣ".