1844 Germany Bremen Museum, Treviranus & Olbers, Astronomer & Naturalist Medal. Silver: 80 gms. Obv: Conjoined busts left. Legend G.R.TREVIRANUS.4 FEB 1776 GEST.16 FEB 1837. H.W.M.OLBERS GEB.11 OCT.1758 GEST.2 MARZ 1840. Signed WILKENS Rev: Shells, Pinguin, Eel & Bird above various Corals, Shells. Below Turtle & Crocodile. Legend DEN DEUTSCHEN NATURFORSCHERN UND AERZTEN DAS MUSEUM IN BREME. IM SEPTEMBER 1844.