I have a 1980 penny with Martin Luther King Jr.s head stamped on it next to Lincoln's head and I have a co-worker who collects coins who says it is not worth anymore than a penny because it was not stamped at the mint. It is stamped not rsised as part of the coin.
FRICTION
There is no specific price list for items like this. You would need to get it authenticated as a genuine mint error, then find a few interested collectors to see what they'd be willing to offer.
Vinegar contains Acetic acid that reacts with the copper in the penny.
The letter on a penny refers to the mint at which it was manufactured. P is Philadelphia, D is Denver.
Abraham Lincoln is on the penny. No other president has been featured on a U.S. penny.
Abraham Lincoln
A Lincoln Memorial penny. Lincoln is on the front, of course, and there's a tiny image of the statue visible inside the Memorial on the back.
The 2012 US penny features Lincoln on the front. There are no official US coins with a likeness of President Obama, yet. In addition to that, no U.S. coins or currency feature a living person.
President Abraham Lincoln.
President Lincoln.
Abraham Lincoln
It's the portrait of LINCOLN
It has no true value beyond face value. These coins were produced as novelty coins.
They are the initials of the man who designed the Lincoln penny, Victor David Brenner.
The face of President Abraham Lincoln is on the US penny.
Abraham Lincoln, 16th President of the United States.