This is Scott number PS 11. Some people collect them. I would estimate its value at 30 cents if it is in good condition.
WHAT IS THE CURRENT VALUE US DEPARTMENT OF DEFENSE SAVINGS BONDS POSTAL PLAN WORLD WAR I
As of 2016, one standard forever stamp costs 49 cents.
Postal Savings System certificates of deposit were devalued by public law 98-359, of July 1984. Its only value is to collectors.
This was issued in 2006. It has a face value of 39 cents.
25 cents retail
The US did not have a non-denominated stamp in 1973. The first one was issued in 1975 for Christmas.
I believe you are referring to the G Make up rate stamp. Issued in 1994 it has a face value of 3 cents.
That will depend a great deal on which 15 cent stamp it is. There have been stamps issued for many decades with that value. Consult a catalog and identify the specific stamp. It will also help you find the value.
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¢.
There were many of these notes taken to the post office to get a stamp and a first day cancel seal -- they are not rare. In a nice holder, it has a retail value of $3 to $4.
The previous rate was 29 cents and the new rate was 32. The make up stamp has a face value of 3 cents.
Yes they can certainly have value. There is going to have a lot more detail to fully identify the post card. Use of a stamp catalog, looking under postal stationary, in the back of the book, to identify the card. It will also provide a general value.