A navy blue wool US Navy dress uniform jumper worn by Lorenzo DuFau during World War II. The jumper is a pullover style sweater made from a very dark blue thick fulled wool and features a traditional sailor collar and fitted sleeves with gathered cuffs. It has a blue twill tape drawstring in the waist that protrudes from two holes at the center front of the hem. Two (2) white five-pointed stars are machine embroidered with one in each corner of the back of the collar. The edge of the collar and the fitted cuffs are trimmed with three (3) rows of white tape. The cuffs close with two (2) black plastic buttons each. An anchor is engraved into the face of the buttons. There is one (1) welted watch pocket at the proper left breast. Sewn at the proper right breast is a Ruptured Duck diamond-shaped patch of blue wool with a yellow machine-embroidered design of a spread eagle inside a circle, given for honorable discharge. A first class signalman's patch made from blue wool with machine embroidery of a white eagle over crossed signal flags above three (3) red chevrons is sewn on the upper arm of the proper right sleeve. The jumper is not lined. White stamped text that is severely deteriorated can be seen on the interior proper right back above the hem reading "DU FAU USA". A cream tag with blue printed text is hand sewn on the proper left back interior hem reading "LORENZO DUFAU".