Iron based and in a very good, unworn condition with practically all of the bronze wash still present. Complete with all four prongs, backing plate and the typical dark covering paper.
Not marked but a known variation that has been classified as type 5.2. and attributed to the company of Rudolf Karneth, Gablonz. See GCA database.

Iron based and in a very good, unworn condition with practically all of the bronze wash still present. Complete with all four prongs, backing plate and the typical dark brown covering paper.
Not marked but a known variation that has been attributed to the company of Rudolf Karneth, Gablonz (type 5.2).
Nice example.

Iron based and in a very good, unworn condition with practically all of the bronze wash still present. Complete with all four prongs, backing plate and the typical dark brown covering paper.
Not marked but a known variation that has been attributed to the company of Rudolf Karneth, Gablonz (type 5.2).
Nice example.

Tombak/brass based and in a very good, unworn condition with all of the bronze wash still present. Complete with all four side prongs, backing plate and typical dark cowering paper.
Not marked but a known variation that has been attributed to the company of Rudolf Karneth, Gablonz (type 5.2).
See GCA database.
Nice example.