Eimer 1237, BHM 1336.
73mm. By E.Thomason.
From the 16 medal 'Scientific & Philosophical Medals' series by Thomason. Including Newcomen & Broughton's / Perkin's Engine (11), Savery's Steam Engine (14), Watt's Single Engine (15) and Watt's Double Engine (16).
Medals are Extremely Fine or better. Housed in the original green leather fitted and embossed case (lid detached and taped back together). Rare in this form of presentation.