
Just to clarify........!
If you send a letter from the US to Canada you need to use US stamps on the main letter, and Canadian stamps on the SASE (or IRC's).
If you send a letter from the Canada to the US you need to use Canadian stamps on the main letter, and US stamps on the SASE (or IRC's).
The two (as far as I am aware - the two are not interchangeable).
Ian {thumb2}