This is a vintage Mum's The Word pin made by Simba Line.
This pin is gold-tone and features a white background, a blue checkered pattern, and a purple mum in the center. In purple letters it says "Mum's The Word". On the back of the pin it is inscribed "Simba Line ASI 87296". Comes with a gold tone push on pin back.
Measures about 1" tall and .5" wide.
Comes in very good pre-owned condition.