Zinc based and, apart from the hinge being old replaced, in a good, probably unworn condition with all of the silver plate still present and some patina.
Not marked but a known variation that has been attributed to the company of C.E. Juncker, Berlin.
Hinge replaced(!).

Zinc based and in a very good, slightly worn condition with practically all of the silver plate still present and some patina.
Not marked but a known variation that has been attributed to the company of C.E Juncker from Berlin.