Mint US stamps are 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 20 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 may be able to trade it for stamps of similar value. .
Or give it to a collector friend. Collectors always appreciate the thought even it they do not need the stamp.
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This is a common stamp worth 4 cents in mint NH condition.
Very common stamp, even in mint condition, despite its age. Worth less than a dollar.
ten cents. They are common.
It will depend on the value and age, as well as the condition. For a common stamp the value is minimal, but there are some older varieties that are worth good money.
This stamp is common and worth 5 cents.
It is a common stamp worth 10 cents in mint condition.
50 cents if unused. Nothing if used.This must be the most common US airmail stamp.
It's a common date, worth about 5 cents.
It is worth the original cost of the stamp.
This stamp is a common regular issue stamp.Mint or used in fine condition, it retails for about 20 cents.
These are still very common - worth no more than 2 cents.
A stamp is worth more unused