What is the value of a collection of Indian head pennies 1890 to 1909?

Indian cents from 1890 on are the most common dates, with 2 exceptions -- the 1908 & 1909 IF they have an "S" mintmark on the back. In circulated condition, with no problems, these are worth about $1.00 apiece. The 1908-S is worth about $45.00 The 1909-S is worth $250-$300