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  2. Map folding - Wikipedia

    en.wikipedia.org/wiki/Map_folding

    In the mathematics of paper folding, map folding and stamp folding are two problems of counting the number of ways that a piece of paper can be folded. In the stamp folding problem, the paper is a strip of stamps with creases between them, and the folds must lie on the creases. In the map folding problem, the paper is a map, divided by creases ...

  3. Postage stamp paper - Wikipedia

    en.wikipedia.org/wiki/Postage_stamp_paper

    Postage stamp paper is the foundation or substrate of the postage stamp to which the ink for the stamp's design is applied to one side and the adhesive is applied to the other. The paper is not only the foundation of the stamp but it has also been incorporated into the stamp's design, has provided security against fraud and has aided in the ...

  4. Letter sheet - Wikipedia

    en.wikipedia.org/wiki/Letter_sheet

    Opened up 1628 lettersheet showing folds, address and seal, with letter being written on the obverse. In philatelic terminology a letter sheet, often written lettersheet, is a sheet of paper that can be folded, usually sealed (most often with sealing wax in the 18th and 19th centuries), and mailed without the use of an envelope, or it can also be a similar item of postal stationery issued by a ...

  5. Postal stationery - Wikipedia

    en.wikipedia.org/wiki/Postal_stationery

    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 ...

  6. How to fold a fitted sheet (once and for all!)

    www.aol.com/article/lifestyle/2018/10/03/how-to...

    Clea Shearer, one of the ladies behind the Nashville-based, full-service home organization company Home Edit, gave us the scoop on the best, simplest way to fold a fitted sheet.

  7. Postage stamp - Wikipedia

    en.wikipedia.org/wiki/Postage_stamp

    The LPP was a mail system that delivered letters and small parcels inside the city of London for the sum of one penny. Confirmation of paid postage was indicated by the use of a hand stamp to frank the mailed item. Though this "stamp" was applied to the letter or parcel itself, rather than to a separate piece of paper, it is considered by many ...

  8. Envelope - Wikipedia

    en.wikipedia.org/wiki/Envelope

    An envelope is a common packaging item, usually made of thin, flat material. It is designed to contain a flat object, such as a letter or card. Traditional envelopes are made from sheets of paper cut to one of three shapes: a rhombus, a short-arm cross or a kite. These shapes allow the envelope structure to be made by folding the sheet sides ...

  9. The first known piece of mail sent using a prepaid stamp — “one of the greatest leaps forward in human communication” — could fetch between $1.5 million and $2.5 million when it comes up ...