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Two penny blue
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<h2 id="see-also">See also</h2> <ul><li><a href="/facts/Penny_Black/joMQ4pfU">Penny Black</a></li> <li><a href="/facts/Penny_Blue/vuIf43Rm">Penny Blue</a></li> <li><a href="/facts/Penny_Red/vCWckYD9">Penny Red</a></li> <li><a href="/facts/VR_official/unzA4388">VR official</a></li> <li><a href="/facts/List_of_British_postage_stamps/18yow93x">List of British postage stamps</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://www.postalheritage.org.uk/collections/search?s=2d+blue&rpp=200">Images of the Two penny blue from the Phillips Collection at the British Postal History Museum</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Muir, Douglas N. (1990). Postal Reform & The Penny Black. London: National Postal Museum. ISBN 0-9515948-0-X. <a href="0-9515948-0-X" target="_blank">0-9515948-0-X</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Muir, Douglas N. (1990). Postal Reform & The Penny Black. London: National Postal Museum. ISBN 0-9515948-0-X. <a href="0-9515948-0-X" target="_blank">0-9515948-0-X</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Ingram, Thomas Allan (1911). "Post, and Postal Service" . In Chisholm, Hugh (ed.). Encyclopædia Britannica. Vol. 22 (11th ed.). Cambridge University Press. p. 191. <a href="https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Post,_and_Postal_Service" target="_blank">https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Post,_and_Postal_Service</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"1840 2d and 1841 2d a plating aid". Steven Allen British and Colonial Stamps. Archived from the original on 29 June 2014. Retrieved 7 April 2015. <a href="https://web.archive.org/web/20140629215346/http://stevenallenstamps.com/news/entry/1840-2d-and-1841-2d-a-plating-aid" target="_blank">https://web.archive.org/web/20140629215346/http://stevenallenstamps.com/news/entry/1840-2d-and-1841-2d-a-plating-aid</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Muir, Douglas N. (1990). Postal Reform & The Penny Black. London: National Postal Museum. ISBN 0-9515948-0-X. <a href="0-9515948-0-X" target="_blank">0-9515948-0-X</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"The COMPLETE Two Penny Blue stamp guide (value, history, rarity & legacy)". www.warwickandwarwick.com. <a href="https://www.warwickandwarwick.com/news/guides/the-two-penny-blue-stamp-guide" target="_blank">https://www.warwickandwarwick.com/news/guides/the-two-penny-blue-stamp-guide</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Muir, Douglas N. (1990). Postal Reform & The Penny Black. London: National Postal Museum. ISBN 0-9515948-0-X. <a href="0-9515948-0-X" target="_blank">0-9515948-0-X</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Ingram, Thomas Allan (1911). "Post, and Postal Service" . In Chisholm, Hugh (ed.). Encyclopædia Britannica. Vol. 22 (11th ed.). Cambridge University Press. p. 191. <a href="https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Post,_and_Postal_Service" target="_blank">https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Post,_and_Postal_Service</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>"A guide to identifying 2-penny blue line-engraved issues of 1840-80". Linns Stamp News. <a href="https://www.linns.com/news/us-stamps-postal-history/a-guide-to-identifying-2-penny-blue-line-engraved-issues-of-1840.html" target="_blank">https://www.linns.com/news/us-stamps-postal-history/a-guide-to-identifying-2-penny-blue-line-engraved-issues-of-1840.html</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Beal, Peter (2008). A dictionary of English manuscript terminology, 1450–2000. Oxford: Oxford University Press. p. 426. doi:10.1093/acref/9780199576128.001.0001. ISBN 978-0-19-957612-8. <a href="978-0-19-957612-8" target="_blank">978-0-19-957612-8</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> </ol>