The portrait on the front (obverse) of the British £1 coin is that of Queen Elizabeth II, as is true of all British Coins since 1953.
The image on the back (reverse) changes every year. Pictures of several of the designs can be found at the Related Link, below.
The current Bank of England Five Pound note features social reformer Elizabeth Fry (1780-1845) on the reverse.
The earlier Bank of England Five Pound note featured politician and engineer George Stephenson (1781-1848) on the reverse.
The reverse of all British pre-decimal Pennies dating back hundreds of years, has the seated female warrior Britannia wearing a helmet, carrying a trident and shield, who is personifying Great Britain. There may be minor differences to the figure of Britannia over successive years.
The British 50 Pence coin is often used as a commemorative coin.
It has Queen Elizabeth II on the obverse, and in the years it is not issued as a commemorative coin, Britannia is on the reverse.
The 50 Pence coin issued from 2008 as a non-commemorative, has the bottom portion of the Royal Shield.
See the link below.
Both the older, larger and now withdrawn 1997 50 Pence coin and the newer, smaller and still current 1997 50 Pence coin feature the third portrait of Queen Elizabeth II on the obverse and the seated figure of Britannia with shield and trident on the reverse.
The goddess Britannia
Such a coin does not exist. The British 50 Pence coin was first issued in 1969.
The coin is called a "50 Pence" coin. The term "50 New Pence" was last used in 1981.
The first British 50 New Pence coin was issued in 1969.
There are 50 British Pence in a British 50p coin.
The British 20 Pence and 50 Pence coins are both heptagons.
The first British 20 Pence coin was issued in 1982.
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.
There was no such coin in Britain. The 50 New Pence coin was introduced in 1969.
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
The geometic term for the shape of a 50 Pence coin is a "Heptagon".
Other than for commemorative 50 Pence coins, Britannia has been on the reverse of the 50 Pence coin since it was first issued in 1969 until 2008 when the new design British coins were issued.
It could be any 50 cent or 50 Pence coin issued since 1953 by any of the 50 plus Commonwealth countries. If the coin has no country name on it, it is most likely a British 50 Pence coin issued between 1969 and now.