VALUE DEPENDS HIGHLY ON CONDITION BUT IF LET'S JUST SAY THAT IT WAS IN THE SHAPE LIKE ONE THAT JUST CAME FROM THE STORE AND WAS PUT IN A PLASTIC PROTECTOR IT WOULD BE WORTH BETWEEN 5 AND 10 DOLLARS...
Their value varies depending on the subject, how old they are, and how rare they are.
Another very important factor is what kind of condition they are in.
An original series Superman comic from...