The four new Presorted First-Class Mail stamps feature photographs of bridges that range from modern to historic, pedestrian to car-carrying and are landmarks of their communities.

The U.S. Postal Service revealed two new designs for Presorted Standard stamps in San Diego Friday, illustrating America’s iconic natural landscapes.

The Postal Service issued the nondenominated (25-cent value) American Eagle presorted first-class mail stamps in a pressure-sensitive adhesive coil of 10,000 on June 26, 2003, in Santa Clara, ...