The value of that stamp is 41 cents. Here's the link to the Post Office site for non-denominated Postage: http://pe.usps.gov/text/qsg300/Q604a.htm
It is postage.
It is known as postage.
postage
That depends on where you are sending the letter FROM.
Because postage meters stamp the appropriate postage amount for a letter or a package that you are sending out. If your business sends out a lot of mail or packages, the USPS expects the correct amount to the penny. Plus, there is a dated postmark or cancellation right at your office.
The word is postage.
45 cents now.
It is best to take the letter to the Post Office, so the correct postage can be paid.
An attempt will be made to return the mail to you indicating that there is insufficient postage or the letter will be forwarded to the address with postage due.
For a regular letter? Just one.
It depends where you are sending it from... England, the USA, Australia, Iceland?
It was issued for Express Mail. It paid the cost of sending a letter overnight post.