What is the value of a uncirculated one dollar bill signed by treasurer Francine J. neff?

The value of an uncirculated one dollar bill signed by Treasurer Francine J. Neff can vary based on several factors, including its condition, rarity, and current market demand. Generally, such bills can be worth a premium over face value, often ranging from $2 to $10 or more. However, if the bill has unique features or is part of a limited series, its value could be higher. To get an accurate appraisal, it's best to consult a currency collector or numismatist.