United States. An Antarctica Service Medal, Boxed certificate_of_authenticity with both flaps also featuring

with both flaps also featuring a single pocket opening with a horizontal flap

featuring a handwritten signature of Konteradmiral Erich Alfred Breuning

one with chipping evident in the red enamels

each intact lugs and pin

the reverse with pin assembly

United States. An Antarctica Service Medal, Boxed certificate_of_authenticity with both flaps also featuringInstituted 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