WW2 US Army/Navy production Award Pin.

The Army-Navy "E" Award was an honor presented to companies during World War II whose production facilities achieved "Excellence in Production" ("E") of war equipment. The award was also known as the Army-Navy Production Award. The award was created to encourage industrial mobilization and production of war time materials. By war's end, the award had been earned by only 5% of the more than 85,000 companies involved in producing materials for the U.S. military's war effort