It's National Sunglasses Day according to this website.
WKQL was an Oldies station from Jacksonville, Florida. They are currently Classic Hits "96.9 The Eagle" WJGL.
WKOY was also a former Oldies station that turned into an "Eagle." WKOY is licensed to Princeton, West Virginia.
A magnet from KXKL, a Classic Hits station from Denver, Colorado.
Other sunglasses stickers can be seen here. And here.