A set of May Day (Tag der Arbeit) commemorative badges/tinnies dated 1934, 1935, 1936, and 1938, worn to mark the annual National Labor Day celebrations. Designs include a stylized worker's head with hammer and gear (1934), a plow and hammer with eagle (1936), a set of workers holding tools with eagle below (1935), and a figure with eagle in relief (1938). Struck in materials that appear to be various metals including white metal and a bronze/brass-toned example; one stamped with a maker's cartouche and another marked 'Gebler Patent'.