"ΒΑΣΙΛΕΙΟΝ ΤΗΣ ΕΛΛΑΔΟΣ/Η ΓΕΝΙΚΗ ΔΙΕΥΘΥΝΣΙΣ ΤΩΝ ΤΑΧΥΔΡΟΜΕΙΩΝ" twelve official circulars from 1847 to 1862, most of them canc. on reverse "ΣΥΡΑ" type II pre-adhesive postmark. Very fine lot.