They are all 2 MM thick.
Check that coin again. There was no such thing as a US dollar (or the United States) in 1756.
Four quarters! HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHA!
Never. He was on the 1970s United States one dollar coin.
Check that coin again. There was no such thing as the United States in 1755, let alone a U.S. one dollar coin.
Check that coin again. There was no such thing as a dollar (or the United States) in 1621.
1500
The thickness of a two dollar coin is 2.70mm thick.
The United States Mint did not produce a dollar coin in 1779.
For each year since 2009, they have been doing United States presidents on the gold colored dollar coin.
Check that coin again. There was no United States in 1740.
Rutherford B. Hayes was the 19th President of the United States, serving from 1877 to 1881. The Hayes dollar coin was minted in 2011, and is worth one dollar.
The silver Eagle bullion is worth one dollar in United States dollar. It was first released in the United States on November 24th 1986 and is the only dollar coin.