Assuming you mean Wheat penny's, the 1909-S V.D.B., 1914-D & 1931-S are the icons of the series.
A 1943 penny made of copper that's worth $20-40k circulated.
1937 penny
The 1943 Denver copper cent. It was recently sold for 1.7 million US dollars.
The rarest and most valuable Lincoln cent that isn't an error is the 1909-S with VDB on it. The rarest and most valuable error Lincoln cent is the 1943 copper penny.
the most valuable is the penny in the us has a head on the front and back hope this helped :) :) :) :) :)
As far as general circulation coins are concerned, easily the most valuable Australian Penny is the 1930 Penny and the most valuable Halfpenny would be the 1923 Halfpenny.
Penny
Assuming you mean Wheat penny's, the 1909-S V.D.B., 1914-D & 1931-S are the icons of the series.
A 1943 penny made of copper that's worth $20-40k circulated.
1937 penny
The 1943 Denver copper cent. It was recently sold for 1.7 million US dollars.
The Queen Victoria, penny-red, plate 77, one penny stamp.
The rarest and most valuable Lincoln cent that isn't an error is the 1909-S with VDB on it. The rarest and most valuable error Lincoln cent is the 1943 copper penny.
The 1909-S V.D.B.
1970-S
The most valuable ones are the 1943 copper penny, and the even more rare 1944 steel penny.