It turns out that the smell of banknotes is not just our feeling. Money has a distinctive aroma that comes from a mixture of the materials it is made from, ink, and chemical compounds that stick when money is stored and transferred from one hand to another.
That's why new money usually has a stronger smell than money that has been in circulation for a long time. Storage conditions can also change the aroma, for example if it is often exposed to damp air or mixed with the smell of other objects.
It's also interesting, it turns out that the objects we hold every day have their own characteristics that we often don't realize.
