Lot Essay
The portrait is taken from the jasper medallion modelled by Joachim Smith, see Robin Reilly, op. cit., p. 67, pl. 45. See also ibid., p. 327, pl. 416 where the author mentions recorded examples inscribed 'William Sheldon, Etruria November 17th 1790' indicating that portraits were made at the Etruria factory, perhaps as trials