Cover from Sina monastery franked with 2pi Egyptian stamp canc. "V.R.POSTE EGIZIANE*CAIRO*3.NOV.73", "POSTE KHED...EGIZIANE*ALESSANDRIA*3.NOV.73" and by Greek P.O. "ΑΛΕΞΑΝΔΡΕΙΑ (97)*23.ΟΚΤ.73" to Athens. Handwritten "80" franked on arrival with 80l. rose-carmine (to pay the double rate) tied by Athnes dotted "1" cds while on reverse "ΑΘΗΝΑΙ*29.ΟΚΤ.73". Nice wax seal on flap "..ΑΡΧΙΕΠΙΣΚΟΠΟΣ ΣΙΝΑΙΟΥ..". An absolute exhibitional item. (Hellas 29a).