10l. orange on the rare blue paper in used horizontal pair (mentioned by Koundouros, Calligas), canc with "ΚΑΛΑΜΑΙ*8 ΟΚΤ. 73" (type II). The pair belongs to the first setting of the Cleaned Plates, bearing "1" inverted on C.F. of the second stamp (pos. 66). An importand variety and extremelly rare. (Hellas 26var.+26var. Na).