Re: Chile - Casa de Moneda - Santiago
Publicado: 26 Jun 2012 11:28
The differences in comb perforations do reflect in the types of paper!!!
The 21- comb is on a more transparent paper with a symmetrical wire! The 20+ comb is on a more opaque, yellowish paper with an asymmetrical wire!!
to be continued ...
The 21- comb is on a more transparent paper with a symmetrical wire! The 20+ comb is on a more opaque, yellowish paper with an asymmetrical wire!!
to be continued ...
