You will need to consult the catalogs and do some research. Most libraries will have a copy of Scott's Postage Stamp Catalog of the World. You may want to obtain a specialized China stamp catalog.
First of all, you have to identify the specific stamp or card. That in itself can be a daunting task, but most of the catalogs are well illustrated with lots of information. Once you know what item you have, the catalog will provide a set of prices that can be used to estimate value.
$60.00k
3 dollars with the stamps still on the paper
The face value of the 1975 Christmas stamps were ten cents each. Many people collect these types of unique stamps.
This stamp is a common US commemorative stamp. Mint US stamps are worth their face value to use as postage, so you can use yours that way, if you need postage. Otherwise, your stamp has negligible value ( less than 25 cents 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 if they do not need the stamp.
Scott Catalog #: 285-90 A used set of six stamps with small flaws can be purchased for about $100. You could get about a third to a half of that if you tried to sell them. A mint set, with flaws can cost in the area of $675. Again, you could get a third to a half. This set is considered one of the early commemorative sets and is highly sought after, particularly the high value ones. Consult a postage stamp catalog, usually available at your local library for exact identification and catalog values.
Stamps typicall see an increase in value after the 1st year on the market. This does vary depending on the stamp.
You can find 1978 Commemorative stamps of America on about.usps.com/who-we-are/postal-history/stamps-postcards.htm
In order to give an estimated value it is necessary to know which coins and stamps are in the collection.
It may be purchased online from StampsForSale which has many commemorative stamps. You may also shop at RoyalMail which has a variety of gifts and stamps.
Certainly, that is what they were created for, to serve as postage. Just make sure the total face value of the stamps equals the appropriate rate for the envelope or package.
You can find books on Historic stamps of America 1978 Postal commemorative society on en.allexperts.com/q/Stamps-Philately-1610/2009/2/books-stamps-great-grandfather.htm
H. D. S. Haverbeck has written: 'The commemorative stamps of the British Commonwealth' -- subject- s -: Commemorative postage stamps
These are five cent commemorative stamps. They are worth 20 cents used and 35 cents not used.
The ones purchased from the US Postal Service include the stamps.
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.
The best place to go is just the USPS website. They're the ones that issue all the commemorative stamps and things like that. I'd start there.
These stamps are still good for postage. They are still worth face value to anyone who needs stamps for postage. A dealer might charge twice face for them, so if you could find a collector who was thinking about buying them from a dealer, you could make a deal. A dealer will not likely pay more than face for them.