Page 10 - F L Walton GB QEII Registered Covers
P. 10

Indicium 8½d with 6d Extra Registration





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       Following the short-lived print run of just the 6  EXTRA additional printing, a new design with the heading INLAND REGISTERED LETTER and the corrected compensation figures
       on the back. These envelopes were in normal use for just over a year from June 1956 until the appearance of the envelopes with an embossed 1s 2½d indicium in autumn 1957.

       Small differences have been noted in the layout of the blue letterpress printing on the Size F, G and H envelopes. Photographs of the production process at McCorquodales
       show that the envelopes were cut before being printed, which suggests that over the course of the production multiple letterpress plates were used.

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       Essays of the 6  EXTRA design are held by the Postal Museum in London, but none are available to collectors.
       Registration dates of issued envelopes
                Size F        13 Jun 1956
                Size G        13 Jun 1956
                Size H        13 Jun 1956
                Size K         20 Jul 1956 .



































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                       Setting (a): centre of 6  EXTRA circle level with ‘blue string’                     Setting (b): centre of 6  EXTRA circle below ‘blue string’
                                      and 12 dots after ‘Fee’.                                                          and eight dots after ‘Fee’.
                                                                        Size F. Dies recorded: 5, 11, 18, 20 & 60
















                                           Setting (a)                                                                         Setting (b)
                                     12 dots after ‘Fee’ (150%)                                                          8 dots after ‘Fee’ (150%)
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