Baylon (Carouge, 1803 - 1879), ancienne attribution Leeds Pottery (1770 - 1881), manufacture Bol et soucoupe, Leeds, 1780 (vers)
Pierre Escuyer (Genève, 1749 - Genève, 1834), graveurBaylon (Carouge, 1803 - 1879), manufacture Assiette, Carouge, 1803-1829