Bill inspection unit in use in Peru, displaying magnifying glass for inspection of detail and lit up safety strip Historically, anti-counterfeiting measures involved which include great depth with raised intaglio printing on bills which would permit non-gurus to easily spot forgeries. On cash, milled or reeded (marked with parallel grooves) edges a
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Alternatively, go the bill forwards and backwards when in search of the hologram, which is yet another stability function to authenticate money. You can also consider the portrait on the Invoice to discover if It really is blurry as this is yet another indication of copyright money. For ideas on how to use central bank sources or detectors to ident
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