Extremely rare vintage Back to the Future Themed Pin 1985

Stylish pin with 'Back to the Future' design. Features blue and white colors. There were two versions of this pin. One featured the July 3rd date and one featured the 19th which they have here. The movies original release was the 19th I believe and then they moved it back. This pin is more rare than the July 3rd version from what I’ve seen. Wasn’t made in such big quantities.