Award medal in silver-gilt (50 mm, 55g) obverse with bust of Queen Victoria in the style of Empress of India; around on broad rim Calcutta International Exhibition . 1883 - 84; reverse engraved within olive wreath, Awarded to / John Corbett, M.P. / for Worcestershire Salt.' With case of issue. John Corbett (1817, 1901) was an English industrialist, philanthropist and Liberal Party politician. He is particularly associated with salt mining in Droitwich Spa, Worcestershire. Locally he was nicknamed The Salt King.