1837 Feuchtwanger Cent 6G. BEAUTY!!. Shipped with USPS Ground Advantage.
Obverse 5 means your 1837 Feuchtwanger Cent was struck using the fifth identified obverse die in the variety classification system.
Here's why that matters:
Obverse: The front of the coin, featuring the eagle.
5: The specific die used to strike that eagle design.
Reverse: The side featuring ONE CENT inside the wreath, identified by a letter such as G or H.