I have a cousin in Canada and I just mailed a letter and a card in a large envelope. It was over an ounce, but under two ounces. It cost .85 cents.

I think a card that weighs less than one ounce costs .60 cents to send from the states to Canada.

There is an (800) number you can call to get all of that info, such as how much would it cost to mail a card to Niina and Lut in Belgium.....the number is in my little office, but I could post it tomorrow for you.