Question: how many forever stamps do you need to mail a letter to canada?
Answer: Stamps are attached at a rate of 1 stamp for every 1 oz, and the “Forever stamps,” which are government-authorized stamps that always hold the same price, cost $. 49 each. This means that 3 stamps are required to be attached to an envelope to ensure delivery from the USA to Canada, or a value of about $1.47.