A British 2007 Two Pence (Proof FDC), uncirculated and in absolute mint condition could fetch up to £3 GBP. These coins are still in circulation so, unless they are part of a proof set or are uncirculated and in absolute mint condition, they are worth 2 Pence. A reputable coin dealer will be able to give a more accurate valuation.
2 British Pence in 1979 had the equivalent value of about 1 cent USD.
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.
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.
The British 2 Pence coin weighs 7.12 grams. 7 Kilograms would equal about 983 Two Pence coins. 983 x 2 Pence coins comes to about £19.66
There are 100 British Pence in One British Pound. If you refer to predecimal British currency, 100 old pence would equal 8 Shillings and 4 Pence.
There are 100 Pence to the British Pound, so there are 50 x 2 Pence in a British Pound.
Assuming it's a current British 2p coin dated 1968 or later, in average condition it's only worth face value - roughly US 3¢
Value of an 2004 2 pence coin magnetic
There are no British magnetic Pennies. From 1992, the Royal Mint began making the British Penny and 2 Pence coins from copper plated steel. Because they are made from steel, they can be attracted to a magnet. All years of issue of the British decimal Penny and 2 pence coins are still potentially in circulation, so they are worth 1 Penny and 2 Pence respectively.
A British 1984 Two Pence, uncirculated and in absolute mint condition could fetch up to £1 GBP. A British 1984 Two Pence (Proof FDC), uncirculated and in absolute mint condition could fetch up to £1 GBP. A reputable coin dealer will be able to give a more accurate valuation.
Your description is applicable to every British coin issued in 1979. On the same side of the coin you read "New Pence", there will be a number indicating "how many" New Pence. The 1979 British 1/2, 5, 10 and 50 New Pence coins have long been withdrawn from circulation and have little or no value unless they are in mint condition, and even then, not much. The 1979 British 1 New Penny and 2 New Pence coins are still potentially in circulation, so are worth 1 and 2 Pence respectively, unless they are in mint condition, and even then, not much.
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.