I think 2 should be enough of the ones with the statue of liberty on it.
To mail a single letter to Canada, the stamp must be equivalent to the postage cost. As long as the stamp is equal to the postage, any letter can be sent with any kind of postage stamp.
what the price to mail letter to
how many forever stamps = .94
5
No, the postman will ignore it. Go get stamps.
Stamps show that you have paid the money to have the letter delivered.
maybe 2 0r 3 stamps
typicaly 2 stamps
No, you must use US postage stamps.
depends how heavy the letter is
Yes.
It is proof that youpaid to mail the letter