It is proof that youpaid to mail the letter
ponies
Yes
how do I receive my envelopes and stamps from At Home Publishing that was prepaid for?
A beginner can use the soaking method as the best way to separate their envelopes and stamps.
To cancel the stamp so that it can't be used again.
Yes, they are collectible. The US Postal service has jobbed out the printing of stamps and one of the requirements is that the glue on self-stick stamps be water soluble. That allows collectors to soak the stamps off envelopes so they can be put in albums.
Flate rate shipping on regular envelopes are 94 cents
No.
It is not envelopes that are postmarked (franked), it is the stamps on the envelopes (so that they can not be used twice). Therefore they are franked when fist processed in the sorting office.
When mailing birthday cards, any kind of postage can be used on the envelopes. Regular postage bought at post offices can be used for sending birthday cards, as can specialized postage stamps that allow the sender to put their own art on the postage.
Postage stamps typically go in the upper right-hand corner of an envelope. This is the standard placement for stamps on envelopes when sending mail.
Not necessarily. Many stamps are valued for their cancellations and sometimes the envelopes they are "tied" to.