Comments by "Helmuth Schultes" (@helmuthschultes9243) on "American Reacts to "Secrets" of the Euro" video.
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Big problem for same size, same colour banknotes is the ease of mistaking the value note being passed in less ideal light or dirt state and especially for people with vision issues. Want to pass a $1 but given size and colour are the same actually paying with a $10 or worse $100, because in the dim light, or as a set of notes handed, or just in hurry hand the wrong value over. Made far more a possibility if vision impaired, even wearing glasses might be enough.
Similar can trick a person receiving a set of notes, example fail to note one or more actual $1 included in place of $10 . Or maybe in hurry or not having correct glasses on. With sizes and colours differing that mistake possibility is very much reduced.
These Euro notes are like the well known Australian notes, plastic, and more durable. Many features are like the Australian notes, plus they have made own security features, made possibly by the Australian developed process of coloured plastic notes.
Also like current Australian notes, I believe the Euro notes now also have varied number of dimples, for easy identifying by touch for vision impaired people, who as mentioned above already benefit from size and colour differences too.
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