Why coins with holes?
I've encountered coins with holes in them and I'm curious about their purpose. Why would coins be designed with holes? Is there a historical or practical reason for this unique feature?
Why does yen coin have a hole?
I've always been curious about the yen coin. Unlike other coins, it has a distinct hole in the middle. I wonder why the Japanese designed their currency this way. Is there a specific reason or historical significance behind this unique feature of the yen coin?