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We make our notes out of cotton based paper. This stops it reacting with iodine and ammonia in the pen tests.
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The paper is imported from central Europe in lorries, with the metallic thread already embedded.
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We use super High Definition templates and extremely high quality printers to incorporate micro lettering.
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We also use the printers to include the raised lettering.
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Another printer adds the UV ink to the note, with the 20 above the England and has small lines all over the note as well.
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A large roller presses the watermark in.
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Holograms are added and pressed in, allowing them to change colour when tilted.
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The see-through £ sign is present also.