Plate block
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29¢ Season's Greetings from booklet with plate number strip running through the middle of the block
(I don't know if this is the "proper" format to save a plate block from a booklet, but it looks good to me. See image.)
VF+
2.50 ...
Plate Block Number:
A block of stamps with sheet margins showing a plate number or numbers. Often it is known simply as a plate block..
Postal stationery: ...
Plate Block: A block of stamps from the corner or side of a pane including the selvage bearing the number(s) of the plate(s) used to print the sheet from which the pane was separated.
Plate Block, or Plate Number Block. A block of stamps which includes the corner selvage from the pane and bearing plate numbers from the printing process.
PNC. Plate number coil.
Plate Blocks
I started collecting when I was eight or ten, when someone gave me a starter set for Christmas. My Dad's boss heard I was collecting, and started sending home plate blocks of new issues.
Plate Block (PB) - A block of stamps from the corner or side of a pane.
Plate Number - Numerals or an alphanumeric combination that identifies the printing plate used to print postage stamp.
*Plate Block - a block of stamps, traditionally four in number, but sometimes more, which has a plate number printed on the attached margin. Most collectors of plate blocks collect them in sizes as standardized by the Scott Catalogue.
Plate Block
The migration away from line engraving to lithography and photogravure techniques of manufacturing stamps did, however, do away with the need to use plate numbers, and plate blocks are now known, technically, as inscribed blocks.
Plate Block - A block of four or more stamps that has a code (usually one or more numbers) printed on the margin (selvage) identifying the printing plate used in the stamps' production.
Plate Block
Four or more attached stamps still fastened to the margin on which the number of the printing plate is inscribed.
Postal Stationery ...
Plate Block, Plate Number Block -- A block of stamps from the corner or side of a pane including the selvage bearing the number(s) of the plate(s) used to print the sheet from which the pane was separated.
A plate block is a block of stamps from the corner or a side of a pane. It includes all surrounding selvage bearing the plate number(s) used to print the larger sheet from which the pane originated. For many U.S. stamps, a plate block has four stamps.
Matched plate blocks: collected by plate number specialist who assembles a set of plate number blocks-of-four, with the same number, one from each corner of the original pane.
Matched Set: see Matched Plate Blocks.
Other options might be to turn a plate block into a plate single if that section of it is good, split up a sheet saving the plate block(s), if possible, and sell or trade the remaining singles.
The writer has used them, happily, for mint plate blocks and for souvenir sheets and full sheets. Though mounts are naturally more expensive than one or two hinges, they keep the material flat and "unhinged," and that is quite important in resale.
Close your eyes and imagine these four stamps in their original sheet of 100 stamps. These four are from the top right hand corner - right? Now, some of the Plate Blocks were from the other 3 corners of the sheet, ...
This printed information may include printers' initials, plate information, slogans, illustrations, or other forms of data. Like plate blocks, imprint blocks are considered premium position pieces, but they generally are less in demand.
Plate block - Block of four, six or other number of postage stamps complete with portion of sheet margin containing the printed number of the plate used; this is the recess-print couterpart of the cylinder block of gravure printing.
 See also: Plate, Stamp, Block, Used, Sheet
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