The 1909 S VDB can be worth thousands in high grade. The "VDB: initials are located on the back of the coin, centered on the bottom. It was later removed due to the fact that citizens felt it was disrespectful.
Five coins you should be looking for right now! All wheat-back Lincoln cents (Before 1959) All nickels before 1960 Any dimes and quarters before 1965 (these are silver) All half dollars before 1971 (these are silver) Any coins that appear to have mistakes — such as doubled dates, doubled images, or missing parts of the design