See the link below.
1997 British 50 Pence coins do not have thistles or roses on either side. The 1997 coin has Britannia on the reverse.
The first British 50 New Pence coin was issued in 1969.
There are 50 British Pence in a British 50p coin.
The image on the "tails" side of a British non-commemorative 1969 to 2009 50 Pence coin is Britannia. The image on the "tails" side of a British non-commemorative 2009 to present 50 Pence coin is part of a composite design and shows the lower portion of the "Royal Shield". All other British 50 Pence coins are commemoratives and show an image relative the commemorated event. See the link below.
Such a coin does not exist. The British 50 Pence coin was first issued in 1969.
The British 20 Pence and 50 Pence coins are both heptagons.
The coin is called a "50 Pence" coin. The term "50 New Pence" was last used in 1981.
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 first British 20 Pence coin was issued in 1982.
There are 100 Pence to the British Pound, so there are 50 x 2 Pence in a British Pound.
The geometic term for the shape of a 50 Pence coin is a "Heptagon".
Zero. There is no silver in any British general circulation 50 Pence coin, and there has been no silver in any British general circulation coin from 1947 onwards.