Gibraltar: Christmas 50p with mule error discovered

[eurocoin]

Coin dealer The Britannia Coin Company has announced the discovery of a new mule error. The coin they found is a Christmas 50p of Gibraltar. The coin has an obverse with the date 1990 and on its reverse the design that was used on the Christmas 50p of 1989. It is the only known specimen. The coin is for sale for 4,500 pounds.

[eurocoin]

The piece has in the meantime been sold to a private collector for 4,500 pounds.