Please post more information to help ID your bill. Specifically, what is its date? If it has a Treasury seal, what color is the seal's ink? If it's not a Federal bill, what bank issued it?
Also make sure that the bill actually IS a $100.00 silver certificate. The last of these were printed in the 1891 series. Later bills may be Federal Reserve Notes, US Notes, Gold Certificates, and so on but not silver certificates.
Please check your bill again and post a new, separate question with its date and seal color. The last US $100.00 silver certificates were printed in 1891 and are extremely rare.
Silver certificates have that wording printed on them, or a similar phrase referring to the bill's value in silver being on deposit with the Treasury.
The US never printed 100 dollar silver certificates with this date.
1928-series $100 bills weren't issued as silver certificates, only gold certificates and Federal Reserve Notes. Please look at the bill's front to determine which you have; then check one of the following: "What is the value of a 1928 US 100 dollar Federal Reserve Note?" "What is the value of a 1928 US 100 dollar gold certificate?"
Please don't assume that every old bill is a silver certificate. The banner across its top and the green seal indicate it's a Federal Reserve Note, the same type of paper money used today. There's more information at the question "What is the value of a 1928 A US 100 dollar bill?".
Please check your bill again and post a new, separate question. The last US $100 silver certificates were dated 1891, and no $100 bills were printed in 1923.
Please check your bill again and post a new question. No genuine US $100 bills were dated 1920, and the last $100 silver certificates were printed in 1891.
The US never printed 100 dollar silver certificates with this date.
Please don't assume that every old bill is a silver certificate. As indicated by both its green seal and the banner over Franklin's portrait your bill is a Federal Reserve Note, not a silver certificate. The last $100 silver certificates were dated 1891. See the question "What is the value of a 1934 US 100 dollar bill?" for more information.
1928-series $100 bills weren't issued as silver certificates, only gold certificates and Federal Reserve Notes. Please look at the bill's front to determine which you have; then check one of the following: "What is the value of a 1928 US 100 dollar Federal Reserve Note?" "What is the value of a 1928 US 100 dollar gold certificate?"
Please check again. The only silver certificates dated 1957 were $1, not $100.
Please don't assume that every old bill is a silver certificate. The last $100 silver certificates were printed back in 1891. The red seal and banner reading "UNITED STATES NOTE" at the top of your bill indicate it's a US Note rather than a silver certificate. Please see the question "What is the value of a 1966 US 100 dollar bill?" for more information.
Please don't assume that because a bill is old it has to be a silver certificate. As the banner across the top and green seal indicate, your bill is a Federal Reserve Note. See the question "What is the value of a 1934 US 100 dollar bill?" for more information.
Please don't assume that just because a bill is old it must be a silver certificate. The 1963 series of $100 bills were only printed as green-seal Federal Reserve Notes, and the last silver certificates were $1 bills dated 1957. There's more information the at question "What is the value of a 1963 US 100 dollar bill?".
Please don't assume that every old bill is a silver certificate. As the bill's green seal and banner across its front indicate, it's a Federal Reserve Note. There's more information at the question "What is the value of a 1934 US 500 dollar bill?".
Please check again and post a new question. No US $100 bills are dated 2000, and the last $100 silver certificates were printed in 1891.
The red seal as well as the banner across the top of Franklin's portrait indicate your bill a United States Note and not a silver certificate. Please see the question "What is the value of a 1966 US 100 dollar bill?" for more information.
a mint condition silver certificate is worth $5-$6.
Please don't assume that every old bill is a silver certificate. The banner across its top and the green seal indicate it's a Federal Reserve Note, the same type of paper money used today. There's more information at the question "What is the value of a 1928 A US 100 dollar bill?".