Stamboul [Istanbul], Ek tou patriarchikou typographeiou 1956 169pp., 23cm., text in Greek, original softcover (with few small stains), copy from the collection of the Belgian byzantinist prof. Justin Mossay (with ex-libris and stamp), text is clean and bright, [Content: Description of the manuscripts of the livraries of the Ecumenical Patriachate. 2: St. Trinity Chalkis], X113857