Package Holidays To California How Much Does It Cost To Mail A Regular Mail..(im Mailing A Holiday Card) To Canada?

How much does it cost to mail a regular mail..(im mailing a holiday card) to Canada? - package holidays to california

It's just a letter, not a package, or .. only a residence permit ... IM-mail from southern California to Canada ... u guys can tell me stamp .. Price? Thank you .. would be useful.