The Silver Squirrel has dated this piece to the 1910s.
The inside has been gilded. It is in superb condition being free from dings, splits, holes and repairs, just a tiny mark to the reverse - see final photo. It measures approx 4.25 inches (10.4cm) by 3 inches excluding the chain and loop and weighs 71 grams. A beautifully designed high quality example.
The Silver Squirrel has dated this piece to the 1910s.
You can view the stock and full dealer information on the The Silver Squirrel Profile Page