A LOUIS XVI OVAL VARI-COLOURED GOLD SNUFF-BOX, the cover with an interlaced cypher of initials FAC in chased red and green gold surround, the body with engine-turned panels in wreathed red and green gold flower and berried foliage borders, by Philippe Bourlier, Paris, 1775, with the poinçons of Jean-Baptiste Fouache and Paris restricted warranty mark for gold struck twice