STAR TREK IV: “STARFLEET EARTHBASE SECURITY COSTUME PATCH”

A costume patch believed to have been created for security costumes appearing in Star Trek I: The Motion Picture through Star Trek IV: The Voyage Home. The item is an Earthbase patch with a green ring around the exterior believed to be a division color. The item depicts multiple planets in orbit of a black colored sun with a blue planet as the fourth from the sun. The item measures approx. 5 inches diameter.