Overall: 1/8 x 29 1/2 x 4 1/2 in. ( 0.3 x 74.9 x 11.4 cm )
Black wool felt naval brassard, rectangular with oblique corners, yellow felt "SP" at the center, with cotton twill weave fabric tape ties at each side.
Gift of Frank L. Jackson, 1946
Due to ongoing research, information about this object is subject to change.