The British 20 Pence coin was first issued in 1982, and general circulation coins have the following specifications -
20 Pence - 21.4 mm diameter, 1.7 mm thick, weigh 5 grams and are made from 84% copper and 16% nickel, and are seven sided or heptagonal. The edge is plain.
The British 20 Pence coin has maintained the same specifications since its first issue.
Currently, British general circulation currency comes in the following denominations - 1 Penny coin 2 Pence coin 5 Pence coin 10 Pence coin 20 Pence coin 50 Pence coin 1 Pound coin 2 Pound coin 5 Pound note 10 Pound note 20 Pound note 50 Pound note
2 British Pence in 1979 had the equivalent value of about 1 cent USD.
Any coin with two dates on it, 200 years apart, is a commemorative. The British 2 Pence coin has never been used as a commemorative, but the 2 Pound coin has. The British 2004 Two Pound coin commemorates the 200th Anniversay of invention of Trevithick's locomotive.
The value of the copper in a 2 Pence coin would be significantly less then 10% of the face value of the coin at the time the coin was minted. Today, it might be a little more, about 0.2 Pence.
Assuming it's a current British 2p coin dated 1968 or later, in average condition it's only worth face value - roughly US 3¢
Please check your coin. Australia has never issued a 2 Pence coin and "NEW PENCE" was the term applied to the range of British decimal coins from 1968 to 1981.
It is in common circulation and worth 2 British Pence, or about 3 cents US/Canadian. It is a common coin and worth no more than face value.
There is no British 2 cent coin. The Brits have a 2 Pence coin, which is currently the second lowest denomination British coin in circulation. Up to 1992 they were made from bronze, from 1992 onwards, they are made from copper plated steel and are 25.91 mm in diameter.
Such a coin does not exist. The British - 1 New Penny was first issued in 1971 2 New Pence was first issued in 1971 5 New Pence was first issued in 1968 10 New Pence was first issued in 1968 50 New Pence was first issued in 1969
The British 2 New Pence coin was "invented" by the Royal Mint, with an obverse design by Arnold Machin and a reverse design by Christopher Ironside. 1,454,856,250 coins were minted in 1970 for release on "Decimal Day" on the 15th of February, 1971.
The term "New Pence" ceased to be used on British coins in 1981. The word "Pence" should have a numeral with it to indicate how many Pence. Pence being the plural of Penny. In 1997 there would have been 50 Pence, 20 Pence, 10 Pence, 5 Pence and 2 Pence coins and a 1 Penny coin.
The front, or obverse of all British coins has the Monarch on it. The 2 Pence coin has the date on the front with the Queen.