A PAIR OF SÈVRES FEUILLES-DE-CHOUX OVAL SAUCE-TUREENS, COVERS AND FIXED STANDS (sauciere et plateaux) painted with sprays of garden flowers within blue and gilt feuilles-de-choux cartouches, the covers with entwined twig finials (one with slight rubbing to gilding), one with sepia interlaced L and unidentified painter's m.c. marks, incised Br to one and SP to the other, circa 1770