Poland Badge (1945) GRUNWALD / BERLIN. 20th century - post-war Ostroluk's shield; on its upper edge an Eagle with an amazon shield; on the shield 1410 - 1945 / GRUNWALD / BERLIN; below two swords with points pointing downwards; a one-piece badge; minted with counter; mounted on a nut; unmarked. Copper. Screwed. Weight approx: 15.96g. Diameter: 54x27mm