In mint state (UNCIRCULATED) about £8 - £10. In ordinary circulated condition around 50p - 75p max
They are neither rare nor valuable. Most coin dealers would be able to sell you a 1952 British Halfpenny.
A baubee is another term for a bawbee, a coin worth originally six Scots pennies, later three, held to be the equivalent of an English halfpenny.
The English Royal Mint most likely minted the 1755 Hibernia Halfpenny for Ireland.
The British 1950 Halfpenny is just about identical to all other British Halfpennies minted from 1949 to 1952 inclusive. See the link below.
Such a coin does not exist. Canada has not used the British sterling currency system since the mid-19th century, and has never issued a Halfpenny or half cent coin since Confederation. If the coin has no country name on it and has a sailing ship on the reverse, it would be a British Halfpenny. Alternatively, you may have a privately minted Halfpenny token.
The rarest Australian Halfpenny is the 1916 (mule) coin, the 1923 coin is rare, and 1915, 1918 and 1939 (kangaroo reverse) coins are considered to be scarce.
Such a coin does not exist. In the event that somebody did produce a gold Halfpenny, it would be worth whatever the current bullion value of gold is.
Such a coin does not exist. Queen Victoria died in 1901.
If it is that worn that you cannot read the date, probably nothing.
The archaic slang name for a halfpenny is "haypenny." It was used in British English, especially in older times when halfpennies were more commonly used as currency.
Life Is Worth Living - 1952 was released on: USA: 12 February 1952
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