Eimer 1917, BHM 4004.
55mm. Silver. By B. Mackennal / L.C Wyon.
Edge reads 'D Alan Stevenson, F.R.S.E., M Inst.C.E, For His Paper On 'The Development Of Lighthouses," Session 1931-32'.
With a matt finish. Good Extremely Fine and housed in fitted case of issue.
David Alan Stevenson FRSE, F.I.C.E., FRSGS (7 February 1891 – 22 December 1971) was a lighthouse engineer from the famous Stevenson lighthouse-builder family and noted amateur philatelist. His great-grandfather was the famous engineer Robert Stevenson.