552. Harrow PerforationsHarrow Perforations – a way of perforating a complete pane or sheet of stamps in one pass. It is so called because the setting...
554. Frank Frank – A handstamp or machine cancel showing that postage has been prepaid. Modern franking machines allow use by private companies after paying in advance and allows the franking ...
555. Flag CancelFlag Cancel – this is the name given to some of the machine cancellors from the USA that were in use 1880-1920 and where part of the design of the cancel was in the form of a ...
556. ErrorError – stamps which have something abnormal when compared with a normal stamp of the same design.
Colour – stamps printed in the wrong colour.
Design – stamps where an error ...
557. £10 Britannia Stamp The £10 Britannia stamp was, and still is, the highest value denomination ever issued by the British Post Office. Therefore it was decided that security was of the upmost importance and security experts from the Bank of England and The Royal M...
558. Cork CancelCork Cancel – cancellation created by using a cork with a design cut into the flat surface. This was used a lot in the USA & Canada in the 19th century but not used much else...
559. Compound PerforationCompound Perforation – this is a term used to indicate that a stamp has 2 or more different number of perforations on its sides...
560. Comb PerforationComb Perforation – a way of perforating a sheet of stamps whereby the pins when viewed from above are arranged in the form of a...
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Stamp Collecting
Heavy Cancel – a 
Are you looking to sell your stamps or collectables? We offer a free valuation service, throughout the UK. We guarantee to make an offer on any collection we view.