The silver coin (face value 200 kr) shows Linnaeus and, on the other side, refers to his work "Systema Naturae". The gold coin features the "Researcher's Eye" as seen through a magnifying glass; the other side shows a butterfly and the motto "Naturae Mores Discere". More detailed info (in English) can be found here:
http://www.riksbank.com/templates/Page.aspx?id=10886
Larger images of the gold coin:
http://www.riksbank.com/upload/Bilder_riks...e_g_low_bak.jpg
http://www.riksbank.com/upload/Bilder_riks..._g_low_fram.jpg <-- That's the eye!
Larger images of the silver coin:
http://www.riksbank.com/upload/Bilder_riks...e_s_low_bak.jpg
http://www.riksbank.com/upload/Bilder_riks..._s_low_fram.jpg
That "Golden Eye" is just great.
Christian