In addition to its many recreational and natural attributes, the Mississippi is also the backbone of the U.S. economy — serving as a riparian superhighway, transporting more than 175 million tons of freight annually
The portfolio of 10 exquisite photographic stamps each represent a state along the course of the river. With five rows of two stamps each, the pane’s arrangement corresponds to the states’ north-south and west-east sequence.
The Mighty Mississippi stamps are being issued as Forever stamps. Forever stamps are always equal in value to the current First-Class Mail one-ounce price.