Enamel lapel pin or badge featuring an eagle emblem with blue background

This appears to be a commemorative or organizational lapel pin, likely from a military, government, or professional association. Such pins became popular in the mid-to-late 20th century as symbols of membership, achievement, or service recognition. They were commonly produced in enamel with metal backing and distributed to members or awarded for specific accomplishments. Pins of this type appeal to collectors of military memorabilia, organizational insignia, and patriotic Americana. They are valued for their historical significance, craftsmanship, and connection to specific institutions or events. Collectors often seek these items to document organizational history or to complete sets representing particular eras or groups.