In general, the Ben Franklin Liberty 50 Cent Piece can be worth anywhere from $1 to $10 in circulated condition. However, uncirculated coins in mint condition can be worth significantly more. For example, a 1999 Ben Franklin Liberty 50 Cent Piece graded as MS-65 by the Professional Coin Grading Service (PCGS) can be worth around $100.
The value of the coin can also be influenced by its packaging. Coins that are sold in original government packaging or sealed rolls can be worth more than those that are not. Additionally, coins with special features, such as privy marks or errors, can also command higher prices.
To determine the exact value of your Ben Franklin Liberty 50 Cent Piece, it is recommended that you have it appraised by a professional coin dealer or numismatist. They will be able to assess the condition and rarity of the coin and provide you with an accurate value.