The markings on the bill that indicate it came from the mint in Hawaii are the letters "H" and "F" in the seal of the Treasury Department. The "H" stands for Hawaii, and the "F" stands for Federal Reserve. These markings indicate that the bill was printed at the Federal Reserve Bank of Hawaii, which was located in Honolulu.
It's important to note that the value of any currency, including silver certificates, can change over time based on factors such as market demand, rarity, and overall economic conditions. Therefore, it's always a good idea to consult with a reputable coin or currency dealer or refer to reliable sources for the most up-to-date information on the value of a specific banknote.