The 1921D Germany, Weimar Republic 50 Pfennig coin (KM27) is a circulated aluminum coin from the historical period of Weimar (1919-33) in Germany. This ungraded coin features the iconic design of the Weimar Republic and is uncertified, making it a valuable addition to any coin collection. The coin's rarity and historical significance from the early 20th century add to its appeal for collectors of German coins.