Germany, Arthur von Hippel, 1914, a uniface cast bronze plaque by M. Lange, bust right, 104 x 72mm. Very fine and very rare (£40-60)

Arthur von Hippel (1841-1916), professor of ophthalmology in Königsberg and a pioneer in the field of corneal grafting. This plaque was issued to commemorate his 50th anniversary of qualifying as a doctor