Universiteitspenningen - Utrecht 1887 - Medal '40-jarig ambtsjubileum professor C.H.D. Buys Ballot' by J.P.M. Menger & W. Schammer (Zw.753, Hofstee53) - Obv. Head right / Rev. Tekst under laurel- and palm branches - bronze 66 mm in original stingray leather box - XF/FDC - scarce