Yes, this is the pattern of Bernhard Meldahl (obs Bernhard). His workshop in Oslo made them and may be Adolf Ruud in Drammen sold them. What do you mean with "Era"? Regards Tosten.
They are made by Th. Marthinsens Sølvvarefabrikk in Tønsberg. The pattern is called "Oldemor" (grandgrandma) and they are still in production. Regards Tosten
Silversmith Paul Skarstein b. 1893 d. 1974 started up Kunst- og Metallindustri i Trondheim in 1918. Later his son Tore Paul b. 1934 (also silversmith) took over. They had a shop in Trondheim too. Kunst- og Metallindustri AS is still in work, but in 2001 goldsmith Bjarne Møller in Møllers Gullsmedf...
Sorry for late answer. I have looked in every Trondhjems-book that I have and I can not find anything to help you. E G (C) D is quite unknown. Sorry - regards Tosten
I don't think that your pin is norwegian. It is not a sølje, but it could look like the pins that was made for the people in towns in Norway. But I have never seen them made in brass and enamel.
Your pin (or sølje) is older than Einar Modahl. He established in 1931 and used his registrated mark. Your pin is typical for the pins that where made for the people in town, not for the folkcostumes. They where made ca 1890 - 1920. I think that it could been made by Einar Marthinsen in Tønsberg, ...
The first number is the registrationnumber in the "Styret for det industrielle rettsvern" - the public authority.' The second is the date when it was registrated.