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For numerous occasions, people send greeting cards in envelopes that are on colored paper. The worst offender is the red envelope. If warm water is used in soaking the stamp from the paper of the envelope, the red dye can and does bleed into the stamp's paper, leaving it tinted red. This is not a stamp variety but simply a damaged stamp.
In philately, an imprinted stamp is a stamp printed onto a piece of postal stationery such as a stamped envelope, postal card, letter sheet, letter card, aerogram or wrapper. [1] The printing may be flat upon the surface of the paper, or embossed with a raised relief. [2] An imprinted stamp is also known as unadhesive stamp [3] or indicium. [1]
The fact that this indicium was applied to an envelope makes this a stamped envelope. Wrapper printed in US for occupied Cuba, 1899. A piece of postal stationery is a stationery item, such as a stamped envelope , letter sheet , postal card , lettercard , aerogram or wrapper , with an imprinted stamp or inscription indicating that a specific ...
The thick gum on some older stamps, namely on issues of Austria-Hungary, tends to break due to changes in air humidity and temperature. Such breaks can also affect the stamp paper and cause the stamps to disintegrate. [citation needed] In such cases, stamp catalogs recommend to remove the gum to avoid further damage to the stamps. [citation needed]
A notable example of this occurred in 1875 in the United States, where all stamps issued to date were reproduced or reprinted with the intention of making them more readily available to collectors. (The actual numbers printed were small, and so most of the reissues are now rarer and more expensive than the originals they resemble.)
The postmarks bore the initial of the particular post office or handling house it was sent from along with a separate time stamp. Postage was prepaid and the postmark was applied to the mailed item by means of an inked hand-stamp. Some historians also consider these postmarks to be the world's first postage "stamps". [3]
This will not occur with an original gum stamp as the normal method of stamp production is to perforate a whole sheet of stamps after the sheet is first gummed and then printed. This means the gum is evenly distributed on the back of all the stamps contained on the sheet before perforating. The perforating process does not perfectly cut the paper.
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.