The modern British Sovereign has only been minted since 1817.
Most coins minted prior to 1887 will have the obverse and reverse 180 degrees opposed. This is normal.
In some years, more than one variant of the Sovereign were minted, so you are often looking for very fine differences and you would frequently need the different variants side by side to appreciate the differences.
All coins are minted at the London Mint unless otherwise specified.
The following are rated as "Extremely Rare" and does not include Proof coins.
1818 - 3 variants - hair with tighter curls.
1820 - 8 variants - spread 18 and 20 short date.
1820 - 8 variants - Roman "I" instead of "1".
1844 - 3 variants - Inverted second "4".
1860 - 6 variants - "O" over "C" in obverse legend.
1860 - 6 variants - DEI GRA - the "A" is an inverted "V".
1862 - 4 variants - VICTORIA - the "R" is inverted.
1862 - 4 variants - DEF - the "F" is an inverted "A" and the date is narrow.
1862 - 2 variants - Sydney (S) mint version only - VICTORIA - the "V" is an inverted "A".
1879 - 2 variants - Melbourne (M) mint version only - horse has a short tail.
1880 - 2 variants - Melbourne (M) mint version only - horse has a short tail.
1887 - 2 variants - hooked "J" at the base of the truncation on obverse.
1887 - 2 variants - Sydney (S) mint version only - designers initials "JEB" minute differences.
1888 - 2 variants - Melbourne (M) mint version only - designers initials "JEB" minute differences.
1889 - 2 variants - Melbourne (M) mint version only - designers initials "JEB" minute differences.
1889 - 2 variants - Sydney (S) mint version only - designers initials "JEB" minute differences.
1890 - 2 variants - Melbourne (M) mint version only - designers initials "JEB" minute differences.
1891 - 2 variants - "G:" of "D:G:" closer to crown.
1889 - 2 variants - Sydney (S) mint version only - designers initials "JEB" minute differences.
The rarest British Penny would be the 1954 Penny. There is one known to exist, maybe two, but there could be some doubt about the second.
One of the rarest Lincoln coins is a penny. 1909S VDB. S designates that the coin was minted in San Francisco, CA and VDB are the initials of the designer of the coin.
It was a small coin, either copper or bronze, that was valued at one fourth of a penny.
Is it a U.S. one cent, British or Australian coin. Post new question.
Pictures of a specific coin are difficult to come by. Usually you should be able to find one on eBay, but the picture is withdrawn after the coin is sold. A 1928 British Penny would be almost identical to the 1936 Penny shown. See the link below.
Various British coins dating back hundreds of years have had a shield of one type or another on the reverse. The only current British coin to have a full shield is the new design One Pound coin first issued in 2008.
There are no "grooves" on a British 1 Penny coin. The edge is not milled.
A particularly nice one might sell for a dollar.
The reverse of the new British Penny shows part of a composite design depicting the Royal Shield which is able to be seen when one of each British denomination coin is positioned correctly.
No. All British Pennies from 1860 to 1967 were made from bronze. If you have a gold One Penny coin, it would be because somebody has gold plated it.
None. There were four Farthings in a Penny. A Farthing was one quarter of a Penny.
Please post a new, separate question with the coin's country of origin. If it says ONE CENT, it's a US Large Cent. If it says ONE PENNY, it's a British penny.