InscriptionContent | Obverse: SIR C. WILLIAM SIEMENS . F.R.S. D.C.L. IN MEMORIAM . BORN 1823 . DIED 1883. Below neck: ALLAN WYON. Reverse, within an ivy wreath: FOR PROFICIENCY IN ELECTRICAL ENGINEERING. Inscribed around: THE CITY AND GUILDS OF LONDON INSTITUTE . CENTRAL INSTITUTION. Below wreath: A. WYON |