This is the place where the majority of the warbird (aircraft that have survived military service) discussions will take place. Specialized forums may be added in the new future
...but I don't really think so. Here are a few photos of WWII Japanese Data Plates which came in a small pile to my table last year at a show.
The link to some descriptions of their functions is below , and thanks to Mr. Kumamoto for his translation. And for those out here, my particular weakness is WWII Japanese aircraft- since I can't afford to own their pieces, if you have anything for trade, I like to trade my parts for WWII Japanese aircraft parts and pieces.
Japanese Data Plates and Their Translations