A British 1797 copper "cartwheel" Penny (George III)(36 mm diameter, 10 leaves in wreath)(aka a "Cartwheel coin" or "Soho Penny"), uncirculated and in absolute mint condition could fetch up to £1,000 GBP. If it has been circulated but still in good condition, it might fetch anything from £12 to £300 GBP.
A British 1797 copper "cartwheel" Penny (George III)(aka a "Cartwheel coin" or "Soho Penny")(11 leaves in wreath), uncirculated and in absolute mint condition could fetch up to £1,250 GBP. If it has been circulated but still in good condition, it might fetch anything from £15 to £350 GBP.
A British 1797 "cartwheel" Penny (George III)(Gilt copper Proof FDC) could fetch up to £950 GBP.
A British 1797 "cartwheel" Penny (George III)(Copper Proof FDC) could fetch up to £750 GBP.
A British 1797 "cartwheel" Penny (George III)(Bronzed Proof FDC) could fetch up to £650 GBP.
A British 1797 "cartwheel" Penny (George III)(Silver Proof FDC) could fetch up to £3,750 GBP.
A British 1797 "cartwheel" Penny (George III)(Gold Proof FDC) could fetch up to £25,000 GBP.
NOTE - The "Cartwheel Penny" was only issued in 1797 and was the first of the large copper Pennies replacing the much smaller silver Penny.
NOTE - The reverse of these coins is upside down to the obverse. This is normal.
The values quoted are the best possible for the best specimens in their grades, but may be significantly lower due to varying demand for the coin and the prevailing economic climate. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
The British Half Penny was no longer issued after 1984.
There were no British Farthings minted from 1776 to 1798 inclusive.
The British Half Penny was no longer issued after 1984.
There is no record of a British 1852 Penny having been minted.
The British New Penny coin was first issued in 1971.
There was no 1850 British Penny minted.
Modified coins have no collector value.
U.S. or British? Post new question.
U.S. or British? Post new question
US or British, post new question.
Assuming you have a British penny with a picture of Queen Anne on the reverse, it might sell for about $15.
All of these Pennies are listed as individual entries on WikiAnswers. If you type the question in as - "What is the value of a 1940 British Penny" changing the year each time, you will see the current estimates on value for each coin.