The picture below shows a larger front and back view of this Precision Approach Radar GPN-22 Worldwide Performance Advertising Jewelry Stick Pin. This stickpin is not dated and the year that it was made is unknown. The pin is made of a silver colored metal and it has a cover for the pin point. It pictures one of the radar units over a world globe. It is marked as follows:
WORLDWIDE PERFORMANCE GPN-22
The stick pin measures about 7/8'' x 2-1/8''. It appears to be in mint condition as pictured.