1935 P&R I - unknown type of paper!

[Rein]

Just as we only recently have discovered the occurrence of coloured fibers in certain definitives, we can now present the orange-brown fibers in the English paper used for the 10c Rivadavia in red in sheet-fed typography!

In type I:





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[Rein]

the 10c Rivadavia in red in sheet-fed typography!

In type I with ministerials:






not only at the back but also at the front:




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[Rein]

the 10c Rivadavia in red in sheet-fed typography!

In type I with ministerials:






not only at the back but also at the front:



to be continued ...

[Rein]

the 10c Rivadavia in red in sheet-fed typography!

In type II:






not only at the back but also at the front:




to be continued ...

[Rein]

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[Rein]

The 2c Urquiza on Wiggins Teape paper with a parallel watermark, symmetrical mesh and density 30/20:




to be continued .....

[Rein]

There is another dilemma when attributing the colour change - as José Merlo suggests - to the use of Northern Hemisphere water in soaking off the stamps!

As said before, the paper was manufactured in a paper mill in Scotland where loads of water must have been used while producing this type of paper. I have heard before the possibility of the water - more or less muddy - could affect the colour of the paper! The whiteish/cremeish shades could be explained by the amount of mud in the streams....

What we see clearly here is - both for the 30/20 density and the 24/22 [Tela] - the presence of other coloured fibers! Not just brown ones but also red ones, and orange and yellow, even black ones....

The gumming took place in Scotland, the gum got partly removed in Argentina and replaced by Argentine saliva, the stamps flew to Europe or the USA, got soaked off over there and WHITE fibers got coloured - in a range from yellow, orange, brown, red and black....

Similar bunches by the same paper mill but somewhat later - since 1947 and using a different wire - is NOT known with brown fibers so far, BUT with GREEN and black! I am curious whether these "rayado vertical" stamps were found in Argentina with green fibers????

to be continued ....

[Rein]

The 6c Alberdi on Wiggins Teape paper with a parallel watermark, symmetrical mesh and density 30/20:





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[Rein]

The 6c Alberdi on Wiggins Teape paper with a parallel watermark, symmetrical mesh and density 30/20:







Even GREEN!!




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[Rein]

The 6c Alberdi on Wiggins Teape paper with a parallel watermark, symmetrical mesh and density 30/20:





to be continued .....

[Rein]

The 6c Alberdi on Wiggins Teape paper with a parallel watermark, symmetrical mesh and density 30/20:






to be continued .....