They do have some value for collectors. And if they haven't been used, they can still be used to mail a letter, with the addition of value to the current rate.
6 cents.
Air mail stamps are good for ordinary postage- your stamp is still worth 7 cents if unused.
I have a 3 cent win the war stamp and i was wondering how much it is worth it is purple with a eagle and stars
A 5-cent 1946 Roosevelt stamp is worth about $1, but it depends on the postmark and the design on the stamp. Some postmarks of this stamp could be worth $11 or more.
How much is a 1947 Thomas Edison 3 cent stamp worth?
How much is 15 cent martin Luther king stamp worth
5 cent
every stamp is worth it
The H stamp is worth 33 cents. Yes, you can add a 1 cent stamp to cover 34 cents worth of postage.
Not a lot, you can buy one for around 15 to 25 cents if it is in very good shape. If it is torn it is pretty much worthless.
What is the value of a boston tea party bicentennial 8 cent stamp worth
One sheet of the 24 cent airmail stamp was printed with the airplane printed up-side-down and sold before the error was discovered. This is undoubted the most famous error stamp in US postal history.
Stamps are always and forever worth the denomination printed on the stamp. If you need a one-cent stamp to complete postage, and you have a one-cent stamp from 1933 - it is perfectly legal. As to what individual stamps are worth to stamp collectors - that is a completely different question.