EARLY VIETNAM WAR US ARMY “HELICOPTER PILOTS” STERLING SILVER FULL SIZE C.B. WING, HM’ED “STERLING W/MFG”, EXCELLENT

DITTO, SIZE LARGE/REGULAR, DATED 1986, 1ST PATTERN? BUT DOES NOT HAVE VAPOR BARRIER, HAS PADDED ELBOWS AND ADJUSTING TABS AT WAIST AND CUFFS, UNISSUED CONDITION