A 2004 Wisconsin quarter struck at the Denver Mint with an unexplained extra leaf on its corn stalk has become one of the ...

The Wisconsin state quarter features a cow, cheese, and an ear of corn. One version of this quarter gives the corn an extra leaf low on the ear. This may have happened when a tool was pushed into the ...

(NEXSTAR) — If you check your cup holders, coin purse, or piggy bank, there is a very good chance you’ll find a state quarter — the U.S. Mint produced 34.3 billion during the 10-year period the ...

Add Yahoo as a preferred source to see more of our stories on Google. Wisconsin quarters are displayed at Old Pueblo Coin Exchange. Inc, in Tucson on Monday, Jan. 10, 2005. The coin at top is correct ...

Here are 20 rare state quarters worth additional value, according to Gainesville Coins, USA CoinBook and PCGS.