1991 UK Gibraltar Cupro-Nickel 1 Crown Diana 10th Wedding Anniv Nickel Brilliant Uncirculated Photos in this listing may or may not be stock photos. The photos are meant to be an indication of the product you will receive. Coin Highlights: Cupro-Nickel metal composition. Obverse: Carries an effigy of Her Majesty Queen Elizabeth II. Reverse: Features an image of Diana Princess of Wales with the inscription "10th Wedding anniversary". Also includes the denomination.