There's two varieties for this coin. It can worth between 5$ to 500$ for a circulated coin. You can specify your answer with that :
http://www.coinsandcanada.com/coins-prices.php?coin=50-cents-1946&years=50-cents-1937-1952
what is the value of a 1956 canadian siver dollar
If its a dollar coin then it is worth 5 times face value...just for its actual silver content there is no rare mint mistake or marking from that year.
a dollar
The value of a 1984 Canadian proof dollar is about $12.
There is no such thing as a 1942 Canadian silver dollar.
Without further details, the best possible answer is that it's worth one dollar.
Depending on condition, anywhere from 50.00 to 400.00.
A 1964 Canadian half-dollar has a value of approximately $12 Canadian dollars. This value is dependent on the current silver market.
It's still worth one dollar in Canada.
what is the value of a Canadian Centennial $1 bill
one dollar
The value is similar, with the American dollar usually being slightly stronger.