Entire letter handwritten "Κιάτον 5 Μαιου 1864", fr. with 20l. sky-blue boxed with municipal post canc. "ΔΤ/89" (route Kiaton - Korinthos), via "ΚΟΡΙΝΘΟΣ*8.ΜΑΙΟΣ.64", arr. "ΠΑΤΡΑΙ*9.ΜΑΙΟΣ.64". Fine and rare. (Hellas 19a).