How much does it cost to mail a 9x12 envelope in 2021? One dollar worth of Forever Stamps should be used for an envelope measuring 9*12 inches. On top of that, stamps equal to $0.01 must be paid for ...

The U.S. Postal Service (USPS) has unveiled its latest Forever stamps, the Freshwater Fishing Lures series. Forever stamps are stamps that can be used at any time, and are worth whatever the ...