{| |- | You can consult a dealer, a knowledgable stamp collector or a catalog. A catalog is a price listing and identification guide for stamps, US and foreign. Your local library will typically have one or more of these, Scott's being the most common in the US. It will give you descriptions and pictures of the stamps, as well as directions on how to identify and grade them. |}
The A series stamp pictures an eagle. It has a face value of 15 cents.
You will need to more clearly identify the stamp to determine the value. There are a number of variations. In general, they will have minimal value. Consult a stamp catalog to identify it.
The 3 cent stamp was the valid first class rate for over 20 years. Hundreds of stamps were issued at that value. The pictures included commemorative and pictures of important people.
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.
In general, they will have minimal value. You will need to more clearly identify the stamp to determine the value. There are a number of variations. Consult a stamp catalog to identify it.
Scott Number 2183 pictures Sitting Bull. This 28c definitive stamp was issued in about 1986. It has good value, a used will cost you $1 and $1.30 in mint condition.
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 stamp without any face value shown is worth 39 cents. It can be used for that amount of postage. Check the USPS web site for pictures and other things.
Scott Number 1235 pictures Cordell Hull. This 5c stamp was issued in 1963. It has a minimal value used and can be purchased for 80 cents in mint condition.
Scott Number 929 pictures the flag raising at Iwo Jima Roosevelt. This 3c stamp was issued in 1945. It has a minimal value used and can be purchased for 70 cents in mint condition.
It is not possible for me to accurately determine the value of a 1993 Elvis stamp that has been cancelled on 1/4/1993 and expertized by the American Philatelic Society. The value of a stamp can vary depending on a number of factors, such as its rarity, condition, and demand among collectors. The cancellation and expertization by the APS may increase the value of the stamp, but it is impossible for me to provide a specific value without more information. It is best to consult a stamp expert or a professional appraiser for an accurate assessment of the value of the stamp.
The US has issued a large number of these non-denominated stamps through the years. Postal clerks have a chart which pictures them all and so call tell you the value of each. Sometimes this chart is posted on the wall of the post office.