A Paris Lefebrve 'Rue Amelot' royal portrait porcelain plaque, of Princess Charlotte Augusta, Princess of Wales (1796-1817), inscribed verso: 'Manufacture de Porcelaines de S.A.S Monseigneurs le duc D'Orleans, tenue par J'ques Lefebvre Rue Amelot No 64 au pont aux choux, A Paris', rectangular porcelain plaque, finely painted in enamel, in gilt gesso coronet frame, plaque: 16 x 13 cm, frame: 27 cm wide 43 cm high 8 cm deep. Other Notes: According to Regine de Plinval de Guillebon, Paris Porcelain 1770-1,850, 1972, Lefebvre had gained the patronage of the duc d'Orleans for his factory by 1818, although he went on to sell it the following year.