The value of a dollar bill silver series 1957 B depends on several factors, including its condition and rarity. A 1957 B dollar bill in good condition can be worth anywhere from $1.50 to $5. However, a bill in excellent condition can be worth up to $100 or more. The rarity of the bill also affects its value. For example, a 1957 B dollar bill with a star note designation can be worth significantly more than a regular bill. Ultimately, the value of a 1957 B dollar bill is determined by the market, and buyers and sellers may negotiate the price based on the factors mentioned above.