Cf. Geneviève Le Duc, Porcelaine tendre de Chantilly au XVIIIe siècle (Paris 1996), p. 205 for a similar armorial example; see also Aileen Dawson, French Porcelain, A Catalogue of the British Museum Collection (London 1994), pp. 38-39, no. 40, for a faux armorial example without its cover.
Of the survivors of this type of boîte à épices, very few still retain their covers. The central compartment would have been used for substances with a pungent taste or smell.