There is nothing you can do to make a coin worth more than what it is.
A dollar
how much is a 1799 silver dollar worth
A 1921 Morgan dollar is worth about $25.00
The James Madison Presidential dollar is made of brass, not silver, and is worth one dollar.
A dollar
It's still worth one dollar.
$1
1979 makes it a Susan B. Anthony dollar, which contains no silver, and is worth one dollar.
The Balboa is the same as the US dollar. We know that US silver dollars is worth more as the Panama silver Palboa. In Panama the currency is US but there are Balboa dollar coins. Also, the silver coins in Panama are the same size as the US coins and would be worth more as the US silver coins.
U.S. silver dollars dated 1935 or earlier are worth at least $16 based on the current market price of silver (18 November 2013).
There's no silver in it, and it's 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.
They're all worth something due to their silver content, but anything beyond that varies by year and condition.
how much is a 1924 silver dollar worth
1896 silver dollar is worth how much?
a dollar
A dollar