The Silver Squirrel has dated this piece to the 1900s.
I would date them to c1900. They have been superbly made being embossed with a gallon ship design. They are in superb condition being free from dings splits distortions and repairs, left silk hinge cover split. They measure approx. 0.75 inch (1.9cms) across and have a combined weight of 12 grams (excluding the case). A very good quality well made set.
The Silver Squirrel has dated this piece to the 1900s.
You can view the stock and full dealer information on the The Silver Squirrel Profile Page