Mint US stamps are always worth their face value to use as postage, so use yours that way, if you need postage.
Otherwise, your stamp has negligible value ( less than 25 cent retail) , but please do not throw it away! Keep it in your stamp collection for
your children or yourself when you have more time. If you have more than one.you can trade it for similar stamps. These dinosaur stamps are worth more than some commems. of the same age, since they were part of a set- you should be able to get 2 or 3 more common commems for it, if you can find a collector who likes to trade stamps.
Or give it to a collector friend. Collectors always appreciate the thought even it they do not need the stamp.
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Finland
You use the postage of the country of origin, in this case, you would use Canadian postage.
A metric gram would be precise enough of a measurement for a stamp.
It is in various rates, stamps will cost either a few cents to a few dollars. about 42 cents a post stamp
First class postage was 29 cents that year. A post card would be 19 cents.
The D stamp would have a face value of 22 cents. There was a make up rate stamp with a value of 2 cents.
Millimetres
76
A postage stamp in Germany during 1937 would have cost approximately £3.47
In 1969 it would have been 6 cents for first class postage. A post card would have been 5 cents.
It would have been 32 cents on that date for first class postage. A post card would be 20 cents.
You must use Canadian postage stamps when you are mailing a letter from Vancouver, BC, Canada. You would need to purchase a certain stamp depending on the letter's destination. Postage rates apply to domestic, USA, and International destinations.