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Errors describe an incorrect type of paper used to print a stamp, typically the use of watermarked paper when it was not specified for the issue. While a paper fault represents a damaged or defective stamp that devalues its worth, paper errors have the opposite effect and are sought after by collectors.
The Trodat Printy stamp, which was introduced to the market in 1976, has sold over 300 million, according to the manufacturer's data. Trotec, founded in 1997, provides laser systems, and offers engraving, marking, and cutting services. A software product named uTypia for ordering personalised stamps was developed to sell Trodat stamps online ...
In philately a reprint is a new printing of a postage stamp from the original plates. [1] A reprint is to be distinguished from a new print which is not printed from the original medium. A reprint may or may not be valid as postage.
Stamped paper is an often-foolscap piece of paper which bears an imprinted revenue stamp. [ 1 ] [ 2 ] Stamped papers are not a form of postal stationery as although they may contain writing, they are not designed to be used to convey a message.
A true watermark is a recognizable image or pattern in paper that appears lighter or darker than surrounding paper when viewed with a light from behind the paper, due to paper density variations. A watermark is made by impressing a water coated metal stamp or dandy roll onto the paper during manufacturing.
In fact, the term printing sheet refers only to a part of the actual printing sheet. This is because stamps are mostly printed in four connected sheets, to make best use of the stamp paper. At the post office counter, only the four separated printing sheets are sold. Therefore, the sheet of stamps is also called a counter sheet or pane, though ...
The positions of the bands may vary: stamps from booklets may have shortened, notched, or inset bands that do not extend onto neighbouring gutters to avoid the use of the latter instead of stamps for franking. [6] Due to the presence of optical brighteners in many printing papers, phosphorescent materials were chosen for stamp tagging in the UK ...
Printing can be done on various substrates, including paper, cardboard, and plastic. Substrates can be sheet feed or unwound on a continuous roll through the press to be printed and further modified if required (e.g. die cut, overprint varnished, embossed). Printing presses that use continuous rolls are sometimes referred to as "web presses".