What coin has Jefferson's picture on it?

Well, for starters, think about the fact that a 5¢ piece is called a Jefferson nickel!

His portrait also appears on a $1 coin issued in 2007 as part of the Presidential Dollars series.

Most Jefferson nickels and ALL Jefferson dollars are only worth their stated values. Nickels from 1942 to 1945, 1950-D, and a few others are worth more, however.