SOLD - This is a scarce rating worn by graduates of a special school for training assault troops in the use of motorized boats and pontoon bridges. Patch measures 55 mm wide x 76 mm tall with silver bullion embroidered ship's wheel and anchor. It has the paper underlay and is dead under a strong UV light. This is a rating missing from many a collection. There is insect damage as shown but bargain-priced accordingly.