British Three Shilling coins were only minted from 1811 to 1816 due to coin shortage problems as a result of the Naploneonic wars.
It depends on the type of the coin, is it a dollar? a quarter? a dime? a half-dollar? Without knowing that it is impossible to even remotely guess on how much it is worth.
This coin in circulated condition is worth around $45. This coin in uncirculated condition is worth around $1,700.
Such a coin does not exist. The British have never issued a "cent" coin. The 5 New Pence coin was first issued in 1968.
The 1899 Morgan dollar is a better date of the series, a coin with average wear has a retail value of $100.00 to $150.00, better coins are $175.00 to $250.00
9o % pure Average 1050.00
No such coin exists. No British trade dollar was struck until 1895.
The British do not have a Twenty Dollar coin.
It is a coin worth one dollar.
$1,320.00-$1,520.00 are current retail values for this coin in circulated condition
the worth value of the liberty dollar coin is worth 50cents.
The bicentennial dollar coin is still worth one dollar.
What you presumably have is a James Buchanan presidential dollar coin. It was minted in 2010 and is worth one dollar.