"Mini Master Knife"
Very small knife (2.4 cm) work of mastery comprising 2 blades, 1 saw, 1 corkscrew and a punch. Handle covered with mother-of-pearl (missing on one of the mother-of-pearl facets) Dimension: 2.4 cm, 19th century period. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato