In 1909, the United States briefly experimented with printing stamps on paper with some rag, or cloth, content (standard stamp paper was 100 percent wood pulp). The paper had a faint bluish or blue-gray tone, and the stamps printed on it are known as “bluish-paper” stamps.

On February 16, 1909, stamps printed on an experimental bluish paper were issued. These stamps were part of an effort to prevent paper shrinkage. In 1909, the Bureau of Engraving and Printing was having trouble with shrinkage of stamp paper.

Feb 2, 2010 · To my eye, the blue paper actually looks grey. It is very distinctive and easily separated from ordinary paper. Once you have seen one, you'll know what to look for. Next time you're at a stamp show, visit a U.S. dealer or two and ask to see one.

Section 5: Bluish paper. For a short period in 1909, some US stamps were printed on paper that had a 35% rag content rather than 100% wood pulp as usual, giving the paper a somewhat grayish hue. These are known as "bluish" paper stamps, and can best be distinguished by comparing the backs of the stamps against those of known 100% wood-pulp content.

Dec 22, 2014 · Note: Bluish Paper - paper with 35% rag content (instead of all wood pulp) and a blue mineral colorant used to print certain 1909 postage stamps. The resulting stamp papers have a pale bluish color. Examples: Scott 357-366.

Bluish paper, as the name suggests, has a distinct bluish tint. This hue is not due to any special ink or dye but rather the paper’s composition. Historically, this type of paper was produced by incorporating a certain percentage of rag content—typically 35%—into …

Bluish Paper This was a printing on special paper containing about one third rag stock. It was hoped that this grade would materially reduce the great waste due to irregular or "off center" perforating, caused by the unequal shrinkage of the ordinary paper used.

Sep 3, 2015 · The top realization in the Regency-Superior sale at APS Stampshow was a never-hinged 1909 4¢ Washington definitive on bluish paper, which went for $60,000. A Canal Zone inverted-center error of the 1912 issue offered during the recent Regency-Superior sale was hammered down for $570.

Feb 6, 2024 · Bluish paper (French: bleuté) can be very strongly to very lightly colored. It is a vague enough term used to describe different stamps so that what you find on a particular stamp may not be what you think. To be obvious, the bluish color …

On February 16, 1909, stamps printed on an experimental bluish paper were issued. These stamps were part of an effort to prevent paper shrinkage. In 1909, the Bureau of Engraving and Printing was having trouble with shrinkage of stamp paper.