A silver certificate is a US banknote (bill) that could be redeemed for an equivalent amount of silver.
Please see the question "What is a silver certificate?" for a much more detailed explanation.
Most of them aren't rare. There's more information at the question "What is the value of a 1935 US 1 dollar silver certificate?"
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.
Normally it would be necessary to have its denomination but the only bill fitting that description is a $1 silver certificate. Please see the question "What is the value of a 1935 D US 1 dollar silver certificate?" for detailed information.
The only bill fitting that description is a silver certificate. Please see the question "What is the value of a 1923 US 1 dollar silver certificate?" for more information.
All silver certificates printed from 1928 to 1957 had blue seals. Please see the question "What is the value of a 1957 A US 1 dollar silver certificate?" for more information.
...the face value is $1.
The only bill fitting that description is a silver certificate. Please see the question "What is the value of a 1923 US 1 dollar silver certificate?" for more information.
Please check your bill again. There were no series letters on 1934 silver certificates, and no silver certificate series letters ever went as high as K. Please see the question "What is the value of a 1934 US 1 dollar silver certificate?" for more information.
There is no such thing as a 1989 $1 Silver Certificate.
Please take another look. The first US $1 silver certificates were printed in 1886.
Normally it would be necessary to have its denomination but the only bill fitting that description is a $1 silver certificate. Please see the question "What is the value of a 1935 B US 1 dollar silver certificate?" for detailed information.
Normally it would be necessary to have its denomination but the only bill fitting that description is a $1 silver certificate. Please see the question "What is the value of a 1935 C US 1 dollar silver certificate?" for detailed information.