Re: Mexico 1950 definitives - Architecture
Publicado: 27 Oct 2014 14:23
José,filatemusico escribió:About this souvenir sheet, catalogue Scott (896a) say that this is photogravure, which is not, because this do not have variation in tone, it is offset and it have the normal screen for offset.
this also goes for the various imperforate blocks around the 1968 Olympic Games! All offset-litho...l
saludos, Rein