Large part of cover fr. with 20l tied by "9" postmark and canc. "ΠΑΤΡΑΙ*27.ΣΕΠΤ.72", arr. "ΑΘΗΝΑΙ*28.ΣΕΠΤ.72". Double control numbers of the same intense color in a distance of 1.5mm vertically and 2.2mm horizontally (Kound. 47.6.h var). Stamp removed for examination and mounted displaying the control number. Stamp tpouched at right and cut at top- practically 2 margins- but very interesting and rare on cover. (Hellas 35cNoI).