Why?
- A clipped coin would have broken or uneven ridges
- A full coin had perfect, continuous grooves
- No machine at the time could reproduce the mint’s precise reeding pattern
- It was 17th-century security tech — and it worked.
Fun fact: Newton personally prosecuted over 100 counterfeiters — some of whom were sentenced to passing.
Why Some Coins Still Have Ridges (And Others Don’t)
- Fast forward to today.
- Coins aren’t made of silver anymore (except for special editions).
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