It was the 20pence coin
In the UK, the highest value coin in current wide circulation is the £2 coin.
1982
half pence
The last new general circulation coin to be issued by the Royal Mint was the Two Pound coin in 1997. Earlier Two Pound coins were Commemoratives not intended for circulation.
The highest denomination general circulation coin currently in use in Britain is the Two Pound coin. The Five Pound (Crown) coin is legal tender, but they are not widely accepted due to a lack of familiarity with the coins.
"E.T.: The Extra-Terrestrial" was released in the UK on December 9th, 1982.
In the UK the most common high value coin is the one pound coin (£1) we do have a £2 coin in circulation but it is not popular, we also have commemorative five pound (£5) coin but they are for the collectors and not in general circulation. If you want a more specific answer related to a particular country then you need to ask a more detailed question.
In the UK we have a commemorative five pound (£5) coin. Five pound coins are legal tender, but are intended as souvenirs and are not usually seen in circulation.
The 10 pence coin in the UK is made of a nickel-plated steel. This composition makes it durable and cost-effective for circulation in daily transactions.
It depends on the nation. The smallest circulating US coin is a dime, but for other countries it really depends. But the smallest historic coin that the US has minted for circulation is the silver three cent piece.
Circulation of Protoplasm in Water Weed - 1903 was released on: UK: 1903 USA: 1905
The British crown coin went out of general circulation in 1971 when the UK adopted a decimal currency system. However, commemorative crown coins are still minted for collectors and special occasions.