20l. blue (pos.88), uneven CF with "0" normal and higher than "2" (Kound. 63.15.2). Uneven CF it was known for this position but with "0" lower and inverted (same as the 10lepta stamp). This is from a different setting. Case not mentioned in Koundouros study. Clear/good to large margins but a light thin, still impressive and important. (Hellas 51b).