André-Charles Boulle kept no accurate records of his prodigious output. The identification of furniture produced by Boulle's workshop is greatly hampered by a lack of documentation of the pieces he created. Unhappily it is by no means easy, even for the expert, to declare the authenticity of a commode, a bureau, or a table in the manner of Boulle and to all appearance from his workshops. His sons unquestionably carried on the traditions for some years after his death but his imitators were many and capable. A few of the more magnificent pedigree-pieces are among the worlds mobiliary treasures. Rather than having his own internal system of identification or poinçon or mark on each piece, he depended on the records kept by the "Bâtiments du Roi". These, did not identify new works with specific entry numbers as they were being produced nor did they keep a detailed daily journal of output. Had Boulle used the royal wardrobe, the "Garde-Meuble de la Couronne" to identify and record his output, things might have turned out differently.