Postby dognose » Sun Sep 01, 2013 9:25 am
Hi Roy,
Your information is correct, Norwegian.
The manufacturer is Norges Gullsmedforbund, Oslo, Norway.
'NM' stands for Norskt Mönster, a registered design. 'GP' stands for 'Gullsmed Plett', Electro Plate.
Trev.