They are still valid for use as postage as long as they add up to the proper postage. If you check USPS regulations Postage due, special delivery and certified mail stamps are NOT valid as payment for postage.
Size of a small postage stamp.Size of a small postage stamp.Size of a small postage stamp.Size of a small postage stamp.
Dark Postage is Blackmail!!
A postage is 45 cents.
Forever
Virtual
what is the postage for a letter from calif. to denmark
The postage is $1.76 for a standard letter envelope of 2 oz.
I don't seem to have enough change for postage.
US postage stamps do not expire -- they are always worth face value as postage.
postage a/c dr to cash a/c (debit all expenses and losses)
When posting your Christmas cards and needing to find the cost of postage to different countries as well as local postage rates combined there is a postage calculator and mail postage charges that are up to date on the Royal Mail website.