Assuming this question is about a 1909 V.D.B. Lincoln cent. The coins are not has hard to find as others. Circulated examples sell for $7.00-$15.00 depending on the grade of the coin.
As of late August 2012 an uncirculated 1909 VDB penny with no mintmark is worth at least $20. In higher uncirculated conditions they can be worth up to $400.
The 1909-S VDB is the rarest and most valuable Lincoln cent of them all. It's worth at least $550 and over $1000 in better condition.
1909 s vbd
Both the 1909 and the 1909-O (the mintmark if any will be on the back of the coin under the eagle) are better date coins. The 1909 is worth about $8 if worn, and the 1909-O is worth about $15 if worn. The Barber series is filled with condition rarities where even common dates can be worth hundreds of dollars if uncirculated. Without seeing your coin I can't give a full value, but in better shape both the 1909 and 1909-O can be worth $50 or more.
Most Indian head pennies of 1909 are worth between $2.00 and $10.00. However, if the penny is an 1909 S Indian head then it would be worth between $400 to $600 depending on the value grade.
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1909 VDB - extra fine condition (EF40) - $20 1909 -S VDB - EF40 - $ 1500 1909 - EF40 - $7.00 1909-S - EF40 - $275
$200,000,000,000,000
A 1909 Half Eagle can be worth well over $500.00
Unless it has an O mint mark, about $300 for its gold content. If it's a 1909-O, it's worth about 2.5X as much as a collectible coin.
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
1909 Liberty Head nickels are very common. Average circulated coins are $1.00-$3.00.