Antique 1930's Antique Robert Klaas Gentleman Shell Folding Knife

Gentleman type folding pocket knife with 5 folding blades and superb presentation-grade antique tortoise shell scales.
It has a flattened body with a main spare point blade and a pair of scissors folding onto one end while a pen blade and a nail file type blade fold onto the opposite end. A corkscrew folds onto the spine of the knife.
Tang stamped *Rob.t Klaas /Solingen* and back stamped with the maker's mark of the two kissing cranes.
The knife seems to have never been used, the blades have not lose anything of the original shape being in full profile and still lock up with a firm snap.

Scales are wonderfully preserved presentation-grade antique tortoise shell with nice gold areas.
No damage to note. 9 when folded and 15,8 cm when the main blade is out.