United States. An Antarctica Service Medal, Boxed certificate_of_authenticity light corrosion on reverse but

light corrosion on reverse but overall very fine condition

In 1943 however

featuring a handwritten signature of Konteradmiral Erich Alfred Breuning

the reverse with pin assembly

United States. An Antarctica Service Medal, Boxed certificate_of_authenticity light corrosion on reverse butInstituted in 1960. 1 Clasp WINTERED OVER. In bronze gilt, measuring 32. 2 mm (w) x 35. 7 mm (h) inclusive of its integral suspension, the bronze "Wintered Over" clasp maker marked "SIMON" on its reverse and independent of its original ribbon with brooch pinback, extremely fine. Accompanied by its Lapel Badge in bronze gilt, measuring 17. 8 mm in diameter with screwback, and its 36 mm (w) x 10 mm (h) ribbon bar, in their cardboard box of issue, with