Nicholas Copernicus (1473-1543), 400th Anniversary, 1873, Tin Medal, 65 mm, issued by the Przyjaciol Nauk Society of Posen, half-length figure of the astronomer, rev., legend, signs of the zodiac around, (Cz 6757 but in tin), good extremely fine, some brilliance, Memorial medal, 1879, Tin Medal, 65 mm, struck in Florence by J. Vagnetti, artist T. Rygyee, bust left, rev., legend (Cz 6758), brilliant, good extremely fine