German States: Prussia. Friedrich Wilhelm. Silver Prize Medal of the Techical University of Berlin. 56mm, 74.4g, unsigned. Head of King Friedrich Wilhelm right within oak wreath. Rev. Borussian with wreath and eagle staff enthroned to the left on an eagle chair, in front of it antique dressed boy with compass and a picture, on which a locomotive is drawn. Engraved in section below: ADOLF SIEMENS. Adolf Siemens was the artillerist living in Berlin from 1811 to 1847, who invented new techniques for guns and commanded the Prussian artillery inspection commission. Brilliant and fully proof-like fields, Brilliant Uncirculated. Estimate Value $400 - UP