An outstanding build of the Mig-21 F-13 from the DDR Deutsche Demokratische Republik, East Germany Warsaw Pact Airforce, there is a picture of the real aircraft at the end of the model pictures of Mig-21 F-13 Red 645 although this in it's plain silver colour
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/mig-21-f-13-of-the-ddr-deutsche-demokratische-republik-east-germany-by-jason-hsiao