Old-standing desk in solid walnut and walnut veneer, period Alsace

Former tiered office at the end of the 19th century in solid walnut and walnut veneer. Origin alsace. 1 large drawer in a belt and a zipper at the top. (task on the lining of the zipper, lack of golden frieze, see photo). 2 drawers and a door at the top, all the locks work well (3 keys). Some lack of veneer on the tray (see photos). Finishing varnish in use (small stains and discoloration).