1917 José de San Martin - unknown type of paper!

[Rein]

Sometime ago I found a new type of paper for the 1921 Postal Congress stamps! Dutch paper with watermark Multiple Suns + AЯ and blue fibers in it! Two copies I found and I mentioned this in a separate thread of the Foro!

Now, I found a third copy of the 5c Postal Congress! It is a pity that the ministerial is a fake!





but what is even more striking is the existence of this type of paper in the 1917 JSM series!

The 10c green:







to be continued ....

[Rein]

It needs a better watching out for blue fibers!

Three new acquisitions!









to be continued ...

[Rein]

Rather dark scanning:









to be continued ...

[Rein]

Normal scanning:









to be continued ...

[Rein]

Sometime ago I found a new type of paper for the 1921 Postal Congress stamps! Dutch paper with watermark Multiple Suns + AЯ and blue fibers in it! Two copies I found and I mentioned this in a separate thread of the Foro!
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but what is even more striking is the existence of this type of paper in the 1917 JSM series!

The 10c green:
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to be continued ....

dark scan:


light scan:






to be continued ...