

fragment that shows the photogravure screen:

The 2 orientations of the so-called Rayos Rectos Nitidos (orthogonal watermark, a-symmetrical paper wire):


It is a pity that nowadays catalogue-makers hardly ever have a notion about the post-1914 postage stamps they describe in their catalogues...zakur escribió:Rein:
Both MT 2009 and GJ mention it as offset, and only one paper.
Tanto en MT como en GJ aparece como offset, y un sólo papel.