An oval green jasper portrait medallion depicting Vice-Admiral Horatio Nelson (1758-1805). The portrait was modelled by John de Vaere in 1798 and shows Nelson after the loss of his arm in 1797 wearing the star and sash of the Order of the Bath. The medallion is slightly convex and has a white back with no pierced holes. The maker's name is impressed on the reverse with the inscription 'NELSON'.