Kingsdown Antiques has dated this piece to the Edwardian era.
Circa 1905 and made by the renowned maker Hukin & Heath, has patent registration number of: 1437-11. Perfect for picnics, possibly originally made for putting into a saddle bag etc.

Worldwide, first class, tracked and signed for delivery is included in the price.
Measurements:
Dish diameter: 6" (approx 15.25cm)
Height (open): 6 1/2" (approx 16.5cm)
Height (closed): 1 1/2" (approx 3.75cm)
Weight: 482g
In good condition - any dark areas are shadows from the photography, there is no damage to the silver plate.
Kingsdown Antiques has dated this piece to the Edwardian era.
Trustworthy reliable professional. Free UK & worldwide shipping
You can view the stock and full dealer information on the Kingsdown Antiques Profile Page