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| British banknote prefix information |
INTRODUCTION
| The Banknote Prefix Sightings Area of the British Notes website is a special area that we invite you to |
| participate. With your valued help we can build an on-line catalogue of known banknote prefix sightings. |
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First Prefix, Last Prefix, Replacement Notes, Column Sorts, Error Banknotes, etc...
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| If at anytime whilst referring to this information you wish to contribute with any updates, we would |
| appreciate you sending us details of the additions to be made. Please label scans (200 jpeg), |
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photocopies, lists, etc with an ENGLISH PAPER MONEY or PICK CATALOGUE number. Thank You.
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Replacement Banknotes
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| When the uncut sheets of notes are being checked, faulty sheets are removed. To maintain the |
| numeracy of the stack these are replaced with perfect sheet of notes. These replacement sheets are |
| numbered separately, usually with an M prefix (LL prefix in modern times), in earlier years the prefix A, |
| S--S, T--D, etc, were used. The top left corner note of the first normal sheet would be numbered eg., |
| BC42 000001 the second note would be BC43 000001, etc., the sheet below would be numbered |
| BC42 000002, the second note being BC43 000002, so when a stack of 100 sheets is guillotined, |
| each bundle of 100 notes is numbered down the bundle 1 to 100. If a sheet has been removed, it |
| would have been replaced with an M or LL sheet, thus maintaining the numeracy of the stack. |
Column Sort Banknotes
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| De la Rue, the Bank of England printers, like everyone else, is trying to save money. So, when |
| part faulty sheets are removed from the stack, they are set aside. The errors on the sheets would |
| have been marked with a yellow / orange phosphorescent pen. The sheets would then be guillotined |
| into columns, the good columns sorted out for individual guillotining and numbering. Hence the |
| prefix / serials on column sorts are usually in a higher range. i.e., regular note A35 000001 to |
| A35 800000. Column Sorts A35 900001 to A35 999999. |

Treasury Banknote T22p Fractional Proof.
Treasury Control Banknotes
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Control banknotes are found at the bottom right hand corner of the sheet and were probably
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| used for accounting purposes, though, this has yet to be confirmed. They always carry the prefix Z. |
| The rest of the sheet being a regular prefix. |

English Banknote, Fifty Pound Gill signature Specimen B356s
More Prefix Sightings listings will be listed over the coming months, so be sure to check back.
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