Queens Antiques and Collectables has dated this piece to the Edwardian era.
It has a spring loaded lid with space for four pegs or markers inside.
On a suspension loop so it can be hung nicely from a ladies or gentleman's pocket watch chain.

It is engraved with a recumbent greyhound / hound / dog to one side and initials the the other.
There are no pegs, case only. It has been used so shows a few signs of wear (see photos)
Measuring 8cm high x 5.5cm width a weighs a touch below 100 grams.
A beautiful high quality piece of Edwardian silver.
Queens Antiques and Collectables has dated this piece to the Edwardian era.
Specialising in georgian & later high quality silver pieces.
You can view the stock and full dealer information on the Queens Antiques and Collectables Profile Page