Shōwa Special decal is for anything that was built in the Shōwa era....cars, bikes, appliances etc...
 
Shōwa era, refers to the period of Japanese history corresponding to the reign of the Shōwa Emperor, Hirohito, from December 25, 1926 until his death on January 7, 1989.
 
...which also happens to be a period of time when Japanese imported goods became worldly popular.
 
Decals are 6 inches
Available in White / Silver / Red