During first quarter of XIX century at least two Japanese private medal workshops used paper wrappings: Hirata workshop and Namikawa workshop.
"Made by mint" paper wraps first appeared somewhere around 1929. You will find them inside the cases for 1928 Showa Enthronement Medals.
1930...
japanese golden kite order
japanese medals
japanese orders
japanese rising sun order
japanese sacred treasure order
late war
namikawa workshop
paper wrapper
paperwrappingspaper wraps
