Eimer 1207, BHM 1329.
48mm. By J.S Wyon.
Obverse with bust of James Watt, reverse showing view of a steam engine. Edge inscribed 'R.J Witchell. MA. CEng. FICE'. Hallmarked for 1982.
Extremely Fine. Housed in fitted case of issue.
Originally struck in 1858 and awarded annually thereafter.