>>8415563 (lb)
It is the stripes from the flag.
Look where the stripes meet the circle.
Likely a seal or commemorative lapel pin.
The center of the circle has something in it which doesn't match as a tail for a Q.
Maybe an Eagle or something?
>Q does look fatter
The circle intersects the stripes giving it the appearance of a tail in all four intersections.
A claim on Etsy…may as well check snopes.