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Portals (part of the De La Rue Group) manufacture banknote paper for the Bank of England and other countries. The metal strip used in our notes in the UK is made of aluminium foil which appears to be woven in and out of the paper. This is a patented process called 'Stardust'.

2007-03-20 10:55:47 · answer #1 · answered by Anonymous · 0 0

Hallmarking, possibly from silver

2007-03-20 17:32:04 · answer #2 · answered by cabridog 4 · 0 0

silver

2007-03-20 17:32:14 · answer #3 · answered by Anonymous · 0 0

why wanna make some of your own .lol

2007-03-20 17:31:29 · answer #4 · answered by Anonymous · 0 0

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