Large part of entire letter cover from "ΣΥΡΟΣ*27.ΦΕΒΡ.63" fr. with 20l. blue to Tripolis. Boxed "ΠΛΗΡ./ΑΝΕΠΑΡΚΗΣ" , via "ΑΘΗΝΑΙ*28.ΦΕΒΡ.63" fr. with 20l. sky-blue canc. "ΤΡΙΠΟΛΙΣ*2.ΜΑΡΤ.63". Fine and rare. (Hellas 19b+19a).