I'll be happy to answer any question: feel free to ask.
This is a lovely antique pocket knife.
With 2 blades:
An iron blade, engraved "BERTRAND":
A silver blade, with French silver mark, MINERVE:
Inlaid tortoise shell, with silver and mother of pearl:
Dimensions:
Length: 8,7 cm closed, 15,5 cm opened.
Blades: 6,5 x 0,8 cm
A few spots of oxydation on the iron blade.
One hairline on the tortoise shell:
A good collectable !
Here is a converter inches / cm to help you with the dimensions: