That can get to be pretty tricky! For First Class mail you need to use a stamp or combination of stamps that matches the current cost of 41 cents for the first ounce. Depending on what type of mail, businesses can get all sorts of discounts for sorting things, having the nine digit zip code and meeting other requirements. A quick visit to the USPS web site will give you the current rates and requirements. They also have a page that will show you what the value of the non-denominated stamps.
You need to consult a stamp catalog. It will help you identify the stamp and the information about it. They typically have a section on the factors to look at and how to figure such things as perferations and watermarks.
That is difficult to answer without a lot more information. It will take some detective work to properly identify the stamp. You will need to use a catalog online or through your local library to identify the specific item. It will also provide an estimated value.
{| |- | This is a case where educating one's self is important. The more you know about it, the better off you will be. The first step is to identify the stamp. Consult a stamp catalog such as Scott's, which include pictures and descriptions of all the stamps. It also provides details on identification as well as a description on how stamps are rated and graded. |}
To indicate pre-payment of costs of mailing. At one time the post office collected the cost from the person receiving the letter. Some people wouldn't want to pay and the post office was stuck. So getting the money up front meant they got the money before delivering it. And people could drop the letters into the post box instead of having to go to the actual post office.
You have to compare them to known examples. The best way is to use a catalog. They start off discussing how stamps are valued and how they are rated. You can find the catalogs online or in your library. It can be fun to figure out what the stamps are.
Forever
The current value for a standard postage stamp is 46 cents.
The F series stamps were issued in 1991. The postage stamp has a face value of 29 cents.
Face value of the original stamp was $0.20
There are many factors involved to determine cost. Stamps of this era were produced in large quantities. If the stamps are on envelope, they could be worth more than a mint or unused stamp. Consult a catalog to identify the stamp and to determine a value. You can find them at your library.
The stamp-postage value of a stamp is visible on the front of the stamp.
That will require a more detailed identification to figure out what the value is. Consult a postage stamp catalog, Scotts is a standard in the US. It should be available in your local library. It will help you determine the specific stamp and provide a value for you.
The face value of the D stamp was 22 cents when issued in 1985.
15 cents.
96214455 doollars
According to the USPS website, under "Buy Stamps", then "Rate Change", the brown background non-denominated US Flag stamp is $.41. The US flag is one of the most popular subjects for a Postage Stamp and can be found on dozens of them. The value of each will be dependent upon condition and rarity. You would have to identify the specific stamp to determine the value.
value of silver stamp holder