This unique Royal Mint £1 coin features a rare error in its design, adding a collectible value to this mistakengly made copper coloured coin. The coin was minted in 2016 in Great Britain and has a denomination of one pound. The fineness of the coin does not apply to its value, as the error in its design is what makes it a sought-after piece for coin collectors.

Although the condition of the coin is not mentioned, it is clear that its value lies in the uniqueness of its error. This makes it a must-have for collectors interested in British Decimal Coinage. Add this rare £1 coin to your collection now and enjoy the beauty of its design and the history it represents.