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- Penny_Black_printing_plates abstract "The printing plates for the Penny Black, two pence blue and the VR official were all constructed by Perkins Bacon, the printers of the first postage stamps issued in Great Britain.The construction of these plates was long winded and complicated, which was intentional so as to make the forgery of the finished article almost impossible.The first stage involved the engraving of a background for the design. This was produced with a rose engine which laid down a circular pattern of symmetrical design onto a piece of soft steel. This was then partly cleared to leave a square shape and an area in the centre was further cleared in the shape of Queen Victoria's head ready for engraving.At this stage the die was passed to the engravers who, working from a sketch provided by Henry Cole, engraved the head in the centre.Following this the labels were engraved at the top and bottom of the die, along with corner squares to take the stars and check letters. Finally the stars were engraved into the top corners.At this stage the die was hardened and a series of impressions made on a transfer roller, which—as its name implies—was used to transfer the image from the die to the printing plate. Once these images were complete on the roller, this was in turn hardened.A sheet of soft steel was cut, sufficient in size to take 240 impressions of the stamps arranged in twenty horizontal rows of twelve. Onto this plate a series of guide dots were marked, some of which were joined with guide lines to allow the correct registration of the impressions. Many of these dots and lines show on the printed stamps and allow them to be correctly assigned to the plate from which they were printed.Using the transfer roller, the impressions were transferred to the plate under great pressure until the required 240 impressions were completed. Finally the check letters were inserted into the lower corner using hand punches. As such the position of these letters on each stamp differs slightly from one plate to the next and provide an aid for collectors wishing to assign a given stamp impression to its correct plate. Finally the marginal inscriptions were added to the four sides of the sheet using a separate roller and the plate hardened ready for use in production.".
- Penny_Black_printing_plates thumbnail Stamp_GB_Penny_Black_plate_reconstruction.jpg?width=300.
- Penny_Black_printing_plates wikiPageExternalLink dserve.exe?dsqServer=localhost&dsqIni=Dserve.ini&dsqApp=Archive&dsqCmd=Show.tcl&dsqDb=Catalog&dsqPos=17&dsqSearch=%28AltRefNo%3D%27Post%20141%2F08%27%29.
- Penny_Black_printing_plates wikiPageExternalLink info.htm.
- Penny_Black_printing_plates wikiPageExternalLink potp-t01.html.
- Penny_Black_printing_plates wikiPageExternalLink GBQVLE.html.
- Penny_Black_printing_plates wikiPageExternalLink F10.5.2-large.html.
- Penny_Black_printing_plates wikiPageExternalLink F11.1.1-large.html.
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- Penny_Black_printing_plates wikiPageID "421951".
- Penny_Black_printing_plates wikiPageLength "3470".
- Penny_Black_printing_plates wikiPageOutDegree "12".
- Penny_Black_printing_plates wikiPageRevisionID "602720940".
- Penny_Black_printing_plates wikiPageWikiLink Category:Postage_stamps_of_the_United_Kingdom.
- Penny_Black_printing_plates wikiPageWikiLink Great_Britain.
- Penny_Black_printing_plates wikiPageWikiLink Henry_Cole.
- Penny_Black_printing_plates wikiPageWikiLink National_Postal_Museum.
- Penny_Black_printing_plates wikiPageWikiLink Penny_Black.
- Penny_Black_printing_plates wikiPageWikiLink Penny_Black_VR_official.
- Penny_Black_printing_plates wikiPageWikiLink Perkins_Bacon.
- Penny_Black_printing_plates wikiPageWikiLink Postage_stamp.
- Penny_Black_printing_plates wikiPageWikiLink Queen_Victoria.
- Penny_Black_printing_plates wikiPageWikiLink Transfer_roller.
- Penny_Black_printing_plates wikiPageWikiLink Two_pence_blue.
- Penny_Black_printing_plates wikiPageWikiLink Two_penny_blue.
- Penny_Black_printing_plates wikiPageWikiLink VR_official.
- Penny_Black_printing_plates wikiPageWikiLink Victoria_of_the_United_Kingdom.
- Penny_Black_printing_plates wikiPageWikiLink File:Stamp_GB_Penny_Black_plate_reconstruction.jpg.
- Penny_Black_printing_plates wikiPageWikiLinkText "Penny Black printing plates".
- Penny_Black_printing_plates hasPhotoCollection Penny_Black_printing_plates.
- Penny_Black_printing_plates wikiPageUsesTemplate Template:No_footnotes.
- Penny_Black_printing_plates subject Category:Postage_stamps_of_the_United_Kingdom.
- Penny_Black_printing_plates type Article.
- Penny_Black_printing_plates type Article.
- Penny_Black_printing_plates comment "The printing plates for the Penny Black, two pence blue and the VR official were all constructed by Perkins Bacon, the printers of the first postage stamps issued in Great Britain.The construction of these plates was long winded and complicated, which was intentional so as to make the forgery of the finished article almost impossible.The first stage involved the engraving of a background for the design.".
- Penny_Black_printing_plates label "Penny Black printing plates".
- Penny_Black_printing_plates sameAs m.026kpg.
- Penny_Black_printing_plates sameAs Q7164346.
- Penny_Black_printing_plates sameAs Q7164346.
- Penny_Black_printing_plates wasDerivedFrom Penny_Black_printing_plates?oldid=602720940.
- Penny_Black_printing_plates depiction Stamp_GB_Penny_Black_plate_reconstruction.jpg.
- Penny_Black_printing_plates isPrimaryTopicOf Penny_Black_printing_plates.