Discover this collectible McDonald's "McHAPPY DAY -and- Founder's Week 1999" lapel pin, a vibrant piece commemorating a special company event. The pin features a cheerful design with a yellow sun against a blue sky, signifying the "McHAPPY DAY" theme, clearly dated 1999 for "Founder's Week." This hard enamel pin boasts a smooth, polished finish, showcasing the iconic branding and event details in bold blue and yellow lettering.

Crafted with a radiant gold-tone metal, this tie tack style pin is secured with a matching gold-tone butterfly clutch, ensuring it stays firmly in place. The back of the pin has a brushed gold-tone finish. Measuring approximately 1.25 inches (31.75mm) in height and 0.8 inches (20.32mm) in width, its rectangular shape is distinctive. This pin is a unique piece of McDonald's corporate history, likely issued to employees or participants during the 1999 Founder's Week celebration and McHappy Day initiatives, making it a sought-after item for collectors of McDonald's memorabilia and advertising pins.