Named Submarine School Superior Performance Badge

A World War II period badge for the graduate of the Japanese submarine school who demonstrated superior performance. The lid of the fitted case bears the designation 'Navy Submarine School Student Superior Performance Badge'. The badge is in excellent condition. The details of the recipient of the badge are scratched on to the back, indicating that he was a vice draftee, assigned from Sasebo, with the personal identification number of 16108, and his name was 'Sunada'.