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.
There was no Postal Commemorative Society in 1786
Semi-postal stamps are those sold at more than their postal value, with the additional money going to the specified charity. The U.S. Postal Service has issued three semi-postal stamps and all of them are still valid as postage. The Stop Family Violence stamp was retired on December 31, 2006 and its postal value is fixed at 39¢.
What stamps? First postal stamps were used in 1840.
Go to the USPS web site. You want publication 604a, which shows all of the non-denominated stamps issued by the US Postal Service.
Stamps typicall see an increase in value after the 1st year on the market. This does vary depending on the stamp.
Not really. The total number of stamps will be fixed and it will still depend on the demand for them. And as a general rule over time their value would increase. I don't think there would be a huge spike in value.
It will vary depending on the country and year. Some are more sought after than others. Some were produced in large quantities and so have limited value beyond the face value. You will have to consult a stamp catalog to see if what you have as value.
250-670 dollars
41 cents if the flag has a tan background and 42 cents if it has a bluish background according to the US Postal Service Customer Service Hotline.
In order to give an estimated value it is necessary to know which coins and stamps are in the collection.
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.
Stamps in the US can always be used at face value. The post office won't buy them back, they will tell you to use them.