The design only shows 3 legs on all the coins, it's face value.
Three legged buffalo
Please take a closer look. The coin's minting date is 2005 and is at the bottom edge under the buffalo.You're almost certainly thinking of the 3-legged buffalo nickel error that occurred in 1937. Your quarter is a modern State Quarter commemorating the year Kansas became a state. Unlike the nickel, the image of the buffalo intentionally shows only three legs; it's not an error.
1937
1935 has a reverse double die variety but no known 3-legged reverses.Only 1936d & 1937d coins have 3-legged types
1937-D is the 3-legged variety, a 3-1/2 legs variety was struck in 1936-D.
Three-legged buffalo nickels were made at the Denver mint in 1937. The error occurred when a Mint employee over-polished a die, accidentally removing part of the design. Many of the coins reached circulation before the error was discovered.
The three legged buffalo nickel in 1937
About $1200.Less for lower grade coins and more for higher grade coins.
Three legged stands are often called stools. In photography a three legged stand is called a tripod.
Three Legged Cross's population is 1,500.
A name for a three-legged animal could be a "tripod."
One eyed three legged donkey