Canadian "Loonie" dollars are ordinary circulation coins and have no extra value, so their worth in the US depends only on the current exchange rate. Rates change every day so any answer posted here would be out of date almost immediately.
Similar to their American counterparts they're made of a brass alloy that gives them a gold color but they don't contain any precious metals.
While it's not normal WikiAnswers policy to say "use the internet", that's the best approach in this case. You can check a site such as www.xe.com, CNNMoney, etc. for the latest conversion factors.
"Loonie" dollars are made of brass-plated nickel, not gold. They are ordinary circulation coins worth face value only.
about $10
Without further details, the best possible answer is that it's worth one dollar.
The first Australian Two Dollar coin was issued in 1988.
$2
The value of an 1879 Canadian dollar depends on its condition. Such a coin in good condition is valued at about 24.82 US dollars while an uncirculated coin is valued at 42.88 US dollars.
f you want to know the value of a Canadian 1964 1 dollar coin, you need to know that is a silver coin. The minimum value is 10$. If the coin have never circulated, you can find the value according the the grade here : http://www.coinsandcanada.com/coins-prices.php?coin=1-dollar-1964&years=1-dollar-1953-2010
It's worth $2
It's worth exactly one dollar in Canada.
Unless it's in brand-new uncirculated condition, face value only.
There is no such coin. Canada did not have any coins over 50 cents in 1871.
55 in Philippine pesos
Whether it's a US Anthony dollar or a Canadian "loonie", it's only worth face value.