What is the value of a 1934 l US 10 dollar bill with a blue seal?

The blue seal indicates your bill is a silver certificate, but "D" is the highest series letter for that date and denomination. In fact, no US bills of any denomination ever reached an "I" series.

Please check your bill again and see the question "What is the value of a 1934 US 10 dollar bill with a blue seal?" for information about values.