48mm. Silver. Unsigned but almost certainly by Kirkwood.
Obverse with coat of arms and legend around, reverse engraved within wreath 'To D Alan Stevenson - For His Special Communication On - The Talking Beacon No 5078 - Read 9th November 1931 - A Hepburn Medal'.
Some light hairlines otherwise About Uncirculated and housed in fitted case of issue. Rare.
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. John Stewart Hepburn founded the Hepburn Prize, an annual award of £20 for an essay by a student in the Faculty of Divinity.