20l. deep grey blue (very intense oxidised corners) in used strip of 3 (pos.138-140). Plate flaws narrow borders (pos.138-139), wide borders (pos.140) and white spot on the Greek border (type II/pos.140). Upper margin very narrow touches frame line at pos.140 where the borders are wide, still a very attractive strip in a very nice and fresh colour shade. (Hellas 19d-360E++).