Bank of Greece letter sheet cover fr. with 20l. dull rosine unofficially perforated, canc. "ΑΓΡΙΝΙΟΝ*1.ΜΑΙΟΣ.84" (type IV), via "ΑΘΗΝΑΙ", arr. "ΣΥΡΟΣ*5.ΜΑΙΟΣ.84". Cover folded in middle. Very rare on cover. (Hellas 59IIb).