United States. Six Coastal Artillery Insignia Badges certificate_of_authenticity The Discovery Investigations Polar Medal

The Discovery Investigations Polar Medal - in bronze

5th Class breast badge

A HJ (Hitlerjugend/Hitler Youth) membership badge

exhibiting wear patches near the frog stud

United States. Six Coastal Artillery Insignia Badges certificate_of_authenticity The Discovery Investigations Polar MedalSouth Atlantic Forces (bronze gilt with red, green and blue enamels, unmarked, 19. 5 mm (w) x 24. 2 mm (h), vertical pinback); 72nd Coast Artillery Corps (silvered bronze with black enamels, maker marked "N. S. MEYER INC. NEW YORK" on the reverse, 24. 7 mm (w) x 28. 7 mm (h), screwback); two 92nd Coast Artillery Regiment (two piece construction, bronze gilt with red enamels, one is maker marked "NS MEYER INC NEW YORK" with the company's insignia on