Entire letter canc. "ΧΑΛΚΙΣ*26.ΜΑΙΟΣ.1839", inscribed "Δια Αθηνών κ Τριέστιον" and "επί συστάσει", linear "ΣΥΣΤΗΜΕΝΟΝ" (registered) to Frankurt. Transit postmarks "ΑΘΗΝΑΙ*27.ΜΑΙΟΣ.1839", "ΠΑΤΡΑΙ*28.ΜΑΙΟΣ.1839" and "RECOMANDIRT TRIEST*19.JUN.1839", arr. "D.1*28/6". Postage markings "1.40+1.40/2.80" (dracmai) and "18/11" (kreuzer) for ship and Austrian rates. "2/6" (d) in Malta. Fine and rare.