BALTIMORE (AP) -- An early trial of America's first 1-cent coin now costs quite a pretty penny -- an auction host says one has sold for more than $1 million.

But above all, the penny encapsulates the United States. First, consider what the penny represents. Abraham Lincoln, the man who delivered the Emancipation Proclamation, is depicted on the penny.

The last pennies? New copper pennies vanished from circulation in 1982 — 73 years after the first Lincoln penny was minted. They were replaced by coins of mostly zinc thinly coated with copper.