Brits are being urged to examine their £1 coins with a keen eye for a tiny error that might boost their value immensely. At ...

They examined all four coins under a powerful microscope and confirmed in the journal, PLOS 1,, external that there really were scratches, ...

They examined all four coins under a powerful microscope and confirmed in the journal, PLOS 1, that there really were scratches, and the patterns were consistent with them being jingled around in ...

Walt (oneminmicro) Ancient Roman Coins Viewed Under a Microscope – Hidden Details Revealed. Posted: 20 May 2025 | Last updated: 30 May 2025. More for You ...

The collector said you will likely need to use a microscope to properly see the date - as it is incredibly small. "You can see here the date 2017 in micro-lettering on every side," he said.

As a check, you can divide the number of coins currently in circulation in the world, 1.5 trillion, by the average life of a coin, 25 years, to reach a figure of 60 billion coins minted per annum.

The microscope makes images out of 4,000 very detailed separate exposures. It takes three days of processing to convert them into a single image. Photo: Martin John Callanan ...