About: Penny Black printing plates

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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 and complicated, which was intentional so as to make the forgery of the finished article almost impossible. 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.

Attributes	Values
rdf:type	yago:Abstraction100002137 yago:Communication100033020 yago:Postage106796119 yago:Signal106791372 yago:Symbol106806469 yago:Token106795746 yago:WikicatPostageStampsOfTheUnitedKingdom
rdfs:label	Penny Black printing plates (en)
rdfs: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 and complicated, which was intentional so as to make the forgery of the finished article almost impossible. 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. (en)
foaf:depiction
dct:subject	Postage stamps of the United Kingdom
Wikipage page ID	421951 (xsd:integer)
Wikipage revision ID	1084282218 (xsd:integer)
Link from a Wikipage to another Wikipage	Penny Black Victoria of the United Kingdom Great Britain Henry Cole Postage stamp Postage stamps of the United Kingdom National Postal Museum Transfer roller Perkins Bacon Two pence blue VR official
Link from a Wikipage to an external page	http://philately.ttrr.org/gb/potpp/potp-t01.html https://postalmuseum.si.edu/exhibition/the-queen%E2%80%99s-own-postal-reforms-that-transformed-the-mail-the-worlds-first-postage-stamps http://www.kernunnos.com/Philately/GBQVLE.html http://catalogue.postalheritage.org.uk/dserve/dserve.exe%3FdsqServer=localhost&dsqIni=Dserve.ini&dsqApp=Archive&dsqCmd=Show.tcl&dsqDb=Catalog&dsqPos=17&dsqSearch=%28AltRefNo%3D%27Post%20141%2F08%27%29 https://web.archive.org/web/20060927080536/http:/www.imagesoftheworld.org/stamps/info.htm http://www.postalmuseum.si.edu/queen's/F10.5.2-large.html http://www.postalmuseum.si.edu/queen's/F11.1.1-large.html
sameAs	Penny Black printing plates Penny Black printing plates Penny Black printing plates Penny Black printing plates
dbp:wikiPageUsesTemplate	dbt:No_footnotes
thumbnail	wiki-commons:Special:FilePath/Stamp_GB_Penny_Black_plate_reconstruction.jpg?width=300
has 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 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. (en)
prov:wasDerivedFrom	wikipedia-en:Penny_Black_printing_plates?oldid=1084282218&ns=0
page length (characters) of wiki page	3580 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Penny_Black_printing_plates
is Link from a Wikipage to another Wikipage of	Penny black printing plates Perkins Bacon
is Wikipage redirect of	Penny black printing plates
is foaf:primaryTopic of	wikipedia-en:Penny_Black_printing_plates

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