"Trepan.surgery"
In its transport box, here is an impressive trephine for cranial surgery, with its many accessories. In nickel-plated metal (traces of oxidation but good general condition, see the different photos)) Box of approximately 32 by 29 by 8 cm (one side of the lid is missing, see the last photo) By Mathieu in Paris. 1900, early 20th century. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato