Swiss Mint issue the world's smallest coin - video report

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27 January 2020
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In a bid to 'push boundaries, stretch the limits of technology and achieve something unique', Swiss Mint has produced the world's smallest coin.

Issued on 23 January 2020, the diminutive gold coin has a diameter of just 2.96mm and weighs 0.063g. The minted sides are so small that they can't be seen with the naked eye, meaning that Swiss Mint has  commissioned special packaging complete with magnifying lenses and light, allowing the owner of the coin to see its detail and also keep it stored safely.

Albert Einstein

The subject of the 1/4 franc gold coin is Albert Einstein, who lived in Switzerland from 1895 to 1914 and in 1902 found permanent employment as a technical expert in the Patents Office in Bern. It was in 1905 that he published what is probably the most famous formula in the world: E=mc2.

The obverse of the smallest coin features the famous image of Albert Einstein sticking out his tongue, and the year 2020. The reverse shows the nominal value of 1/4 franc together with the inscription "Helvetia" and the Swiss cross, supplemented by the alloy mark "AU 999.9" and the weight (1/500 ounce).

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To purchase the coin, visit the Swiss Mint website.