It's not a silver certificate (or even "siver", whatever that is). It's a Federal Reserve Note, just as it says at the top of the front of the bill.
If there is no letter or an A, B, C, or D next to the date it's worth $100 in worn condition, up to $140 if almost like new. If there's an E next to the date, $140.-$210.
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. The last $100 silver certificates were dated 1891. There's more information at the question "What is the value of a 1950 D US 100 dollar bill?"
100
a mint condition silver certificate is worth $5-$6.
100-500 usd
100 dollars...idiot
Please see the attached link.
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The US never printed 100 dollar silver certificates with this date.
1950's $100
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?"