Please see the Coin Specifications page at the US Mint website, linked below.
is it the biggest
Kennedy half dollars are 30.6mm in diameter and 2.15mm thick.
About the size of a US half dollar.
Please look at the date and denomination again. The U.S. did not issue any half dollar coins dated 1804.
The Diameter is 30.6mm, thickness is 2.18mm at he rim.
The average cranberry can get to the size of a quarter or half dollar.
It's the same size as all other U.S. half dollars.
About the size of a half dollar coin
Half a dollar is fifty cents.
Please rephrase question.
a half dollar looks like a dollar cut in half
half a dollar