General National exhibition of Industry in Haarlem; organized by the Society for the Promotion of Industry; formerly the Oeconomic Branch of the Dutch Society of Sciences; Bronze Medal. Obverse: woman in Roman attire with diadem on head; representing Industry; holding a laurel wreath in her outstretched right hand and resting with her other hand on a coat of arms within an inscription; cut: year and signature. Reverse: inscription above crowned coat of arms within an oak wreath; to which three cartouches are attached containing a plow; a three-master and a steam engine; Haarlem; Department of the Navy; Hollandsche Maatschappij der Wetenschappen; Oeconomische Branch of the Hollandsche Maatschappij der Wetenschappen; David van der Kellen (1804-1879); Utrecht; 1861; bronze (metal); engraving; d 5.3 cm x w 74.54 gr