Face value only if the coin was found in change.
If it's in uncirculated or proof condition, those special collectors' coins can range from $3 to almost $40 at retail, depending on their quality.
about $10
Without further details, the best possible answer is that it's worth one dollar.
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.
If the coin has any wear the value is for the silver, about $12.00
$2
f you want to know the value of a Canadian 1964 1 dollar coin, you need to know that is a silver coin. The minimum value is 10$. 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.
Look at the back of the coin for "HALF DOLLAR" no US dollar coins were struck after 1935.
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