You are bidding on a Antique Lithotomy & Lithotripsy Urology Surgical Kit  SK#98.  Each piece in this kit is marked Bourdeaux-Aine and under that is stamped Coutelier Du Rol.  This set is pre-antiseptic. The handles are either Ebony or ebonized wood. The instruments are plated and some pieces do have areas of corrosion. This is fairly complete set with only one empty compartment in the back top corner.   The wooden case measures 15 3/4" x 8" d x 3 5/8" deep. There is a key for this set.  There is a recessed handle on the top made of yellow brass.