No. In fact, if you look at the banner across the top you'll see that it says United States Note instead of Silver Certificate.
US Notes were a form of paper money issued directly by the Treasury instead of through the Federal Reserve System. The two kinds of money were essentially identical so to save on printing and distribution costs, all production was consolidated into Federal Reserve Notes about 40 years ago.
The most common seal colors used are (or were):
It's a number indicating which plate was used to print the bill.
The blue seal indicates your bill is a silver certificate. Please see the question "What is the value of a 1934 A US 5 dollar silver certificate?" for more information.
The blue seal indicates your bill is a silver certificate. Please see the question "What is the value of a 1934 B US 5 dollar silver certificate?" for more information.
It will have the words Silver Certificate printed across the top of the bill's front. In most but not all cases, the seal and serial numbers will be printed in blue ink.
if the seal is blue then yes. it's a silver certificate.
The blue seal indicates your bill is a silver certificate, a form of paper money that was discontinued in the early 1960s. Please see the question "What is the value of a 1934 US 5 dollar silver certificate?" for more information.
The blue seal indicates your bill is a silver certificate, a form of paper money issued until the early 1960s. There's more information at the question "What is the value of a 1923 US 1 dollar silver certificate?".
Please post a new, separate question with the bill's date.
Please don't assume every old bill must be a silver certificate. Your bill should have a red seal and the words United States Note rather than Silver Certificate. Small-size silver certificates were printed from 1928 to 1957 and generally have blue seals. Please see the question "What is the value of a 1963 US 5 dollar bill with a red seal?" for more information.
The blue seal indicates your bill is a silver certificate, a form of paper money issued until the early 1960s. Please see the question "What is the value of a 1935 A US 1 dollar silver certificate?" for more information.
Please post a new question with the bill's date and seal color. A red seal indicates it's a United States Note and a green seal is for a Federal Reserve Note. The last $2 silver certificates were printed in 1891.
More information is needed because blue-seal silver certificates were issued for many decades and in different denominations. Please check your bill's date and denomination, then look for questions in the form ""What is the value of a [date] US [denomination] dollar silver certificate?"; e.g. "What is the value of a 1953 US 10 dollar silver certificate?"