This set of stamps had been described badly from the very beginning as far as paper goes!
Mentioned in the Handbook "Polskie Znaki Pocztowe" of 1960:
As far as paper goes it just says that it has either cream, rough surfaced, thick paper or white, smooth, thick paper!
The Poland 1955 Cracow festvial stamps
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Re: The Poland 1955 Cracow festvial stamps
In the more recent Handbook by Kiełbasa-Schoeni/Fołta:
As to paper it mentions a type of paper with a clear sieve structure when you hold it against a light source OR just no structure to be seen at all.
Both handbooks omitted the fact that at least 2 values had been printed of paper containing woodchips. And apart from this type of paper another 3 types of wood-free paper had been used.
1st type of paper:
As to paper it mentions a type of paper with a clear sieve structure when you hold it against a light source OR just no structure to be seen at all.
Both handbooks omitted the fact that at least 2 values had been printed of paper containing woodchips. And apart from this type of paper another 3 types of wood-free paper had been used.
1st type of paper:
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Re: The Poland 1955 Cracow festvial stamps
I found just the 20gr and 40 gr so far.
This 1st type of paper has a symmetrical sieve structure.
This 1st type of paper has a symmetrical sieve structure.
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Re: The Poland 1955 Cracow festvial stamps
Second (and third) type of paper
Just as with the 1st type of paper the symmetrical sieve structure is well visible when holding the stamps against a strong light source.
But the 2nd type has irregular grooves at the front with the rhombs at the back while the 3rd type has it the other way around - rhombs at the front and grooves at the back.
At the top the grooves at the front [type 2]e, at the bottom the grooves at the back [type 3].
At the top the rhombs at the back [type 2]e, at the bottom the rhombs at the front [type 3].
The 2nd type of paper exist for all 3 values: 20gr, 40gr, 60gr and so does the 3rd type of paper: 20gr, 40gr, 60gr
Just as with the 1st type of paper the symmetrical sieve structure is well visible when holding the stamps against a strong light source.
But the 2nd type has irregular grooves at the front with the rhombs at the back while the 3rd type has it the other way around - rhombs at the front and grooves at the back.
At the top the grooves at the front [type 2]e, at the bottom the grooves at the back [type 3].
At the top the rhombs at the back [type 2]e, at the bottom the rhombs at the front [type 3].
The 2nd type of paper exist for all 3 values: 20gr, 40gr, 60gr and so does the 3rd type of paper: 20gr, 40gr, 60gr
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Re: The Poland 1955 Cracow festvial stamps
The 4th type of paper:
No clearly visbile sieve structure when hold against the strong light source! Probably this is what was meant by Kiełbas-Schoeni/Fołta by uniform [jednolity]!
No clearly visbile sieve structure when hold against the strong light source! Probably this is what was meant by Kiełbas-Schoeni/Fołta by uniform [jednolity]!