A rotary printing press is a printing press in which the images to be printed are curved around a cylinder. Printing can be done on large number of substrates, including paper, cardboard, and plastic.
Printing Postage Stamps
Want to know how stamps are printed? This animated video was created in 1993 for the Postal Museum's Stamps and Stories gallery. The BEP shut down its 111 years of printing postage stamps on June 10, 2005. U.S.
Preprinting Paper Crease - a stamp printed on paper that was creased at some point prior to printing. When this crease is eventually opened up, an unprinted area becomes visible. Preprinting paper creases are freaks.
Microprinting: Extremely small letters or numbers added to the designs of selected United States stamps as a security feature. In most cases, 8-power magnification or greater is needed to read microprinting.
Microprinting - Extremely small captions added as a security measure to the designs of certain U.S. stamps.
Military Stamps - Stamps created and used by military services.
Offset Printing. A printing process that transfers an inked image from a plate to a roller, the roller then applying the ink to the paper.
Special Printing: Reissue of a stamp of current or recent design, often with distinctive color, paper or perforations.
Printing on the reverse of a stamp. Some countries have printed advertising or messages on the backs of stamps.
Printing plate - any printing base used to print a sheet of stamps. The term 'subject' designates a complete stamp design on a plate. Plates of four hundred subjects have been used for printing most of the U.S. stamps since 1890.
Printing inks derived from coal tar. Aniline inks were designed to be brightly colored for their day and are water-soluble.
ERRORS - Printing stamps is a complicated process and even though they are checked carefully some of the errors that occur come into circulation. These make the stamps rare. The Colour Missing error is shown.
Intaglio Printing The method by which a print is made from a design of recessed lines engraved in a die or plate. In printing an intaglio design, the die or plate is inked and then wiped clean. Ink remains in the engraved recesses.
McPherson's Printing Group
Technically printed by Owen King Pty Ltd, McPherson's is the parent company, and has requested to be recorded as the stamp printer.
The Poundage Printing Mechanism for Machine Issued POs, by Gary Oddie
Published in Oct. 2010 "Postal Order News", Submitted by the Postal Order Society.
Backprint -- Printing on the reverse of a stamp. Some countries have printed advertising or messages on the backs of stamps.
Offset: 1) A printing process that transfers an inked image from a plate to a roller. The roller then applies the ink to paper; 2) The transfer of part of a stamp design or an overprint from one sheet to the back of another, ...
An official reprinting of a stamp from an obsolete or discontinued issue. Reissues are valid for postage.
In flat plate printing the plate is laid down on the press and inked, the ink sticking in the etched lines. The surplus ink is wiped off, paper is laid down and the whole thing run under a pressure roller or press, and the impression is made.
Overprint: Printing added on top of the original design of a stamp, or … any printing over the original design of a stamp. Often used in Australia to commemorate a special event, such as an overseas philatelic exhibition.
Recess printing - Line-engraved or intaglio printing. Recesses are formed on the plate.
Recommande - Registered.
The practice of overprinting officials, first with the initials O.H.M.S., and then by the single letter "G," began in 1949.
ROTARY PRESS: A printing press that uses curved printing plates and a continuous roll of paper, called a web..
SELVAGE: The border of paper around a sheet or pane of stamps.
: contractor for stamp printing to National Label Co., 1994 Eagle self-adhesive.
3PF: German bisect provisional made 1901, at New Orleans, La. by German Cruiser Vineta to meet need for printed matter rate by ship's crew.
Paper fault - Clearly visible irregularity in paper introduced at the time of manufacture of the paper (or at least prior to stamp printing).
50 167 627 PNS (bot #18570), NH stamp, H margin, small spot of missing ink caused by fly- speck on paper during printing F 4.00 nln 637 PNS (UL #18909) F+ 2.45 nln 632 PNS (LR #20139) AVG .20 nln 632 PNS (LL #21293) F .
Such blunders should be caught and destroyed during printing, but occasionally they slip out, and become highly sought-after rarities. The most famous and valuable example is the Inverted Jenny, which occurred on the first US airmail stamp in 1918.
Some post offices turned to the printing press to replace pen strokes and the like. What was printed on the stamps was still largely narrow or wide lines or slugs not easily identified as to post office.
Until 1958 in Canada, selvedge was used mainly to carry inscriptions bearing plate numbers and names of printing companies. Warning information concerning the authorized use was also printed on the selvedge of panes containing precancelled stamps.
Stamp collectors need to distinguish the different printing methods used to produce stamps. The words typography, lithography, engraved and photolithography meant nothing to me at first.
Not really - a stamp can be many things: a feast for the eye with beautiful design and color and printing technique.a study in history as you find out about the person, place, or event behind the stamp.
proof - Printers of stamps often tested their plates by printing sheets that were never intended for postage. Sometimes, these were to demonstrate the stamps to the governments that were having them made.
The most common form of commercial printing. Its basic principle is that oil and water do not mix. A litho-printing plate has non-image areas that absorb water.
Intaglio: A form of printing in which the inked image is produced by that portion of the plate sunk below the surface.
International Reply Coupon: A coupon issued by the UPU which can be redeemed in any member country for postage.
Two of the best known rare American stamps are the "Inverted Jenny" (which is actually a printing error) and the "1-cent Z grill" stamp.
One explanation for all the variation is that stamp printing was among the early attempts at large-scale mass production activities.
barcode clear zone—A rectangular area in the lower right part of a letter-size mailpiece that must be kept free of printing and symbols, except for the barcode itself.
Four or more attached stamps still fastened to the margin on which the number of the printing plate is inscribed.
Postal Stationery
Postmark ...
Using the photographic image of an establishment, all undesirable features, such as telephone poles, junk yards, background clutter, and sometimes even cars and people were remove by airbrush. Lithography A printing process using a smooth, flat, ...
a small perforating machine in 1840 to perforate cheque book counterfoils. They regarded the perforation of sheets of stamps as impracticable owing to the closeness of the stamps and unevenness of the layout caused by paper shrinkage after printing.
detergent (not dishwasher detergent), then rinsed in clean cool water. Very badly stained stamps can be washed gently in a weak solution of water and a bit of enzyme laundry detergent. Careful! This can work too well and remove the printing ink! ...
They regarded the perforation of sheets of stamps as impracticable owing to the closeness of the stamps and unevenness of the layout caused by paper shrinkage after printing.
 See also: Stamp, Used, Cover, Catalog, Plate
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