yes
Ye,s you can if you are mailing from the US.
When mailing a letter or package you always use postage purchased in the country you are mailing from. So if you are mailing a letter from the USA to Canada, you would buy stamps at your local post office.
No, US post offices do not sell Canadian stamps. Canadian stamps are issued by Canada Post and can typically be purchased at Canadian post offices or through their official website. If you need to send mail to Canada, you can use US postage or go to a local retailer that sells international stamps.
YES, although the denomination is different for US lettermail.
There are 15 stamps. 8/15 came from the US. 4/15 came from Mexico. 3/15 came from Canada.
No you cannot use them. Forever stamps can only be used for domestic (inside the US) mail. They must have a value on them for international mail.
No you cannot use US stamps. Items mailed must have the stamps of the country of origin on them. Most shops will be able to provide you with the appropriate stamps to use to mail with their cards, or visit their post office!
No
No. When mailing items you use the stamps of the country of origin.
No, you must use US postage stamps.
Yes swag bucks do ship to Canada and anyone in the usa and UK it does ship to Canada but it takes about double the time the then us
If you are sending a three paged letter it is around three US stamps!!!!