This is a superb antique sterling silver niello snuff box.
I didn't find any silver marks, only the number "3" and "JUDEL HAUSER" is engraved in the lid.
It is delicately engraved and gilt on niello silver.
This is a great quality work.
Dimensions: 8 x 4,5 cm
Hight: 2,5 cm
Weight: 100 grammes.
Period: 1840 - 1860
Good antique condition.
Inside with signs of use.
-------------------------------------------------------------------
Here is a converter inches / cm to help you with the dimensions.