It depends on which country you are posting from and to which country.
$0.44
twelvepoint fifty
Depends on where it is going to!
It depends on where it is being posted from, where to and, quite possibly, its weight.
5x5=25
28 cents is the current post card rate.
Go to the site below and click on the "Calculate Postage" tab.
two stamps at regular price.
It was 5 cents for the first half ounce of mail.
It is best to go to a Post Office. It will be weighed and the correct postage given. Apart from weight, the size and thickness of the envelope also matters.
Postage in 1966 was 5 cents for a letter up to one ounce. Fora post card it was 4 cents.
In 1969 it would have been 6 cents for first class postage. A post card would have been 5 cents.
$0.44
twelvepoint fifty
5 cents.
If you mail it in a traditional 5 x 5 cardboard mailer it will weigh about 1.2 oz. thus cost $0.84.
Postage would be $2.27 for 5 oz. package to Canada.