Registered postal envelope 20lep. uprated with 50lep. 11½ perforation +16X1lep. (one B15 11½ perforation) and 2X1lep. pairs imperforate between 11½ perforation (Large Hermes Heads) cancelled "ΑΘΗΝΑΙ 21 ΙΟΥΛ.1984", via "LONDON 6 AU.94", arrival "SALISBURY 6 AU.94" (Hellas 53cvar, 61, 61D, 71)