After which year is a penny valuable?

There are several pennies that are valuable depending on the year. The most valuable pennies are:

- 1793 Chain Cent

- 1793 Wreath Cent

- 1794 Chain Cent

- 1795 Chain Cent

- 1796 Chain Cent

- 1797 Draped Bust Cent

- 1804 Draped Bust Cent

- 1816/15 Coronet Cent

- 1856 Flying Eagle Cent

- 1872 Indian Head Cent

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