Groove Garage is releasing a set of eight Godzilla patches spanning the Showa Era films from 1954 to 1967. Each patch is 10.5cm diameter, embroidered patch with a hook and loop (velcro) backing, and each retails for 1,500 yen (before tax). They can be pre-ordered now on Amazon Japan with release scheduled for Oct 2020. Per Groove Garage it sounds like there will be more sets to follow.