Junkers Flugmotor Jumo 211D Data Plate-This small metal plate would be attached to a Junkers Jumo 211D aircraft engine, containing crucial information about the engine such as its serial number, manufacturing date, power output, and other technical specifications, essentially acting as a unique identifier for that specific engine produced by the Junkers company during World War II. This plate is dated 1941. These plates would be found on such aircraft as the Heinkel 11, Junkers 87 & 88. This was the most manufactured engine of WWII. This plate measures 6 inches (15.24cm) long by 3 inches (7.62cm) wide. It is still quite readable. In good condition.