Issued by the U.S. Postal Service in 1868, the stamp depicts Benjamin Franklin's profile and was indented by a "Z-grill" pattern. The Benjamin Franklin Z-grill is one of the rarest and most sought ...
Forever stamps now cost more.The U.S. Postal Service has raised the cost of Forever stamps to 68 cents, up from the previous price of 66 cents. When Forever stamps were introduced in 2007 ...