Whereas under section 3(1)(a), (b), (cc), (d) and (dd) of the Coinage Act 1971 We have power, with the advice of Our Privy Council, by Proclamation to determine the denomination, the design and dimensions of coins to be made at Our Mint, to determine the weight and composition of coins other than gold coins or coins of silver of Our Maundy money and the remedy to be allowed in making such coins and to determine the percentage of impurities which such coins may contain:

And Whereas under section 3(1)(f) and (ff) of the Coinage Act 1971 We have power, with the advice of Our Privy Council, by Proclamation to direct that coins made at Our Mint other than gold, silver, cupro-nickel and bronze coins shall be current and that any coin shall be legal tender for the payment of any amount:

And Whereas under section 6(2) of the Coinage Act 1971 We have power, with the advice of Our Privy Council, by Proclamation to prescribe the composition of the standard trial plates to be used for determining the justness of coins of any metal other than gold, silver or cupro-nickel:

And Whereas it appears to Us desirable to order that, to commemorate the ninetieth birthday of His Royal Highness The Duke of Edinburgh, there should be made at Our Mint coins of the denomination of five pounds in platinum, in gold, in silver and in cupro-nickel:

We, therefore, in pursuance of the said section 3(1)(a), (b), (cc), (d), (dd), (f) and (ff), the said section 6(2), and of all other powers enabling Us in that behalf, do hereby, by and with the advice of Our Privy Council, proclaim, direct and ordain as follows:

PLATINUM PIEDFORT COIN

• 1 (1) A new coin of platinum of the denomination of five pounds shall be made, being a coin of a standard weight of 94.2 grammes, a standard diameter of 38.608 millimetres, and being circular in shape.

(2) In the making of the said platinum coin a remedy (that is, a variation from the standard weight or dimensions specified above) shall be allowed of an amount not exceeding the following, that is to say:

• a a variation from the said standard weight of an amount per coin of 0.8 grammes; and
• b a variation from the said standard diameter of 0.125 millimetres per coin.

(3) The said platinum coin may contain impurities of three-tenths of one per centum.

(4) The said platinum coin shall be current and shall be legal tender for payment of any amount in any part of Our United Kingdom.

(5) The composition of the standard trial plates to be used for determining the justness of the said platinum coin shall be pure platinum.

GOLD COIN

• 2 A new coin of gold of the denomination of five pounds shall be made, being a coin of a standard diameter of 38.608 millimetres, and being circular in shape.

SILVER COIN

• 3 (1) A new coin of silver of the denomination of five pounds shall be made, being a coin of a standard weight of 28.276 grammes, a standard diameter of 38.608 millimetres, a standard composition of 925 parts per thousand fine silver, and being circular in shape.

(2) In the making of the said silver coin a remedy (that is, a variation from the standard weight, composition or dimensions specified above) shall be allowed of an amount not exceeding the following, that is to say:

• a a variation from the said standard weight of an amount per coin of 0.13 grammes;
• b a variation from the said standard composition of five parts per thousand fine silver; and
• c a variation from the said standard diameter of 0.125 millimetres per coin.

(3) The said silver coin shall be legal tender for the payment of any amount in any part of Our United Kingdom.

SILVER PIEDFORT COIN

• 4 (1) A new coin of silver of the denomination of five pounds shall be made, being a coin of a standard weight of 56.552 grammes, a standard diameter of 38.608 millimetres, a standard composition of 925 parts per thousand fine silver, and being circular in shape.

(2) In the making of the said silver coin a remedy (that is, a variation from the standard weight, composition or dimensions specified above) shall be allowed of an amount not exceeding the following, that is to say:

• a a variation from the said standard weight of an amount per coin of 0.215 grammes;
• b a variation from the said standard composition of five parts per thousand fine silver; and
• c a variation from the said standard diameter of 0.125 millimetres per coin.

(3) The said silver coin shall be legal tender for the payment of any amount in any part of Our United Kingdom.

CUPRO-NICKEL COIN

• 5 (1) A new coin of cupro-nickel of the denomination of five pounds shall be made, being a coin of a standard weight of 28.276 grammes, a standard diameter of 38.608 millimetres, a standard composition of seventy-five per centum copper and twenty-five per centum nickel, and being circular in shape.

(2) In the making of the said cupro-nickel coin a remedy (that is, a variation from the standard weight, composition or dimensions specified above) shall be allowed of an amount not exceeding the following, that is to say:

• a a variation from the said standard weight of an amount per coin of 0.13 grammes;
• b a variation from the said standard composition of two per centum copper and two per centum nickel; and
• c a variation from the said standard diameter of 0.125 millimetres per coin.

(3) The said cupro-nickel coin may contain impurities of three-quarters of one per centum.

(4) The said cupro-nickel coin shall be legal tender for the payment of any amount in any part of Our United Kingdom.

DESIGN OF THE COINS

• 6 The design of the said coins shall be as follows:

‘For the obverse impression Our effigy with the inscription “ELIZABETH · II · DEI · GRA REGINA · FID · DEF”, and for the reverse a profile portrait of His Royal Highness The Duke of Edinburgh with the inscription “PRINCE PHILIP · 90TH BIRTHDAY · FIVE POUNDS · 2011”. The platinum, gold and silver coins will have a plain edge, while the cupro-nickel coin will have a graining upon the edge’.

• 7 This Proclamation shall come into force on the fourteenth day of October Two thousand and ten.

Given at Our Court at Buckingham Palace, this thirteenth day of October in the year of our Lord Two thousand and ten and in the fifty-ninth year of Our Reign.

GOD SAVE THE QUEEN