When you shop on eBaydotCA, the price shows in Canadian dollars, even if the seller lists in US dollars (or Australian dollars or Euros or...)
This is going to be approximate because exchange rates are constantly in flux. But it is a pretty good guide.
If you want to know why Canadian sellers list in US dollars, the only nationality that is allowed to do this, it is because the population of Canada is about 33 million and the population of the USA is 300 million, and have higher average incomes.
