Proper valuation will require a more detailed identification. If the stamp is British, there may be some variations in watermarks, perforation and even engraving. Consult a postage stamp catalog, Gibbon's is the standard used by most British collectors. It may be available in your local library. It will help you determine the specific stamp and provide a value for you.
How much is a 1947 Thomas Edison 3 cent stamp worth?
How much is 15 cent martin Luther king stamp worth
5 cent
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
They are probably worth 9 cents.
2 cent.
four cents
What is the value of a boston tea party bicentennial 8 cent stamp worth
It is worth $21
2000
... 34 cents
15 cents