48mm. Silver. By A.Kirkwood.
Obverse with bust of Minerva facing right, reverse named within wreath 'Jn Ried F.R.S.S.A - Engineer - Edinburgh & Leith Gas Co - For His Governor for regulating the flow of water in Street Mains - No.4010 - The Silver Medal & Plate - Value Five Sovs - 1861.'
Mounted with suspension loop. Once cleaned otherwise Good Very Fine and rare.
John Reid, a prominent Scottish engineer from the period who was the manager of the Edinburgh & Leith Gas Company.