Photo de stock - Invisible fluorescent inks are used in complicated and often beautiful designs on bank notes, currency and passports as part of a host of security measures against counterfeiting and forgery The inks are strictly controlled and the patterns and designs can only be revealed when photographed under ultraviolet light ten,pound sterling,note,Clydesdale bank

Photo de stock: Invisible fluorescent inks are used in complicated and often beautiful designs on bank notes, currency and passports as part of a host of security measures.

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