USA XI SPECIAL BOAT UNIT MARE ISLAND Jacket Crest

Jacket Crest. USA, round, 3 1/2" across cloth patch. Words, SPECIAL BOAT UNIT, MARE ISLAND, in yellow with X I in dull orange with black Boat, on black with dull gold outer border. Clear plastic backing which has cracked due to age. Older flash and showing some age dulling but still excellent.
Control #WS12781