2 stamps. ! stamp is good for up to one ounce, 21 cents for second ounce.
They never expire, hence the name 'forever stamps.'
At 14 ounces it becomes a parcel rather than a letter. The total cost depends on how far it has to ship, but the starting price (in 2016) is $14.30.
At that weight, the item is classified as a parcel rather than a letter, and will require a shipping label instead of stamps. Price depends on how far the item has to travel, but rates currently start at $14.30 for that weight.
Susan B. Anthony stamps are still worth the value printed on the stamp. US postage stamps never expire -- they can always be used for postage for at least the amount they sold for. The new forever stamp and the breast cancer stamp can be used for first class postage regardless of what you paid for them. However they are not corrected for inflation. It takes 14 of the 3-cent first class stamps you may have bought in 1955 to mail a letter today.
8/14 = 4/7 = 0.571428... (repeating the same 6 digits forever.)
14 letter h's
First class stamps were 22 cents in 1986. A post card would cost 14 cents.
What's Forever For was created on 1982-06-14.
Twisted Forever was created on 2001-08-14.
Sleep Forever was created on 2010-09-14.
Forever Cool was created on 2007-08-14.
14.